Historical Events on Wednesday, 23rd April
48 significant events took place on Wednesday, 23rd April — stretching from -215 to 2024. Explore the moments that shaped history on this day.
Wednesday, 23 April 2025 marks another significant date in history, with events ranging from tragedies to milestones that have shaped nations and societies. One notable incident occurred in 1999 when NATO forces bombed the headquarters of Radio Television of Serbia during their aerial campaign against the Federal Republic of Yugoslavia, an action that drew international attention and controversy. Nearly two decades earlier, on this date in 1979, British activist Blair Peach was fatally injured during an Anti-Nazi League demonstration against a National Front election meeting in Southall, London, an event that became a landmark moment in British civil rights history.
The historical significance of 23 April extends across centuries and continents. In 1993, Eritreans voted overwhelmingly for independence from Ethiopia in a United Nations-monitored referendum, a democratic exercise that ultimately established a new sovereign nation on the African continent. Throughout the twentieth century, this date has witnessed both human tragedy and political transformation, from aviation disasters to military conflicts and constitutional developments across Europe, Asia, and beyond.
DayAtlas provides comprehensive historical information for any date and location, including weather patterns, documented events, and notable births and deaths. Users can explore how specific dates have influenced the course of history while discovering contextual details about the conditions and circumstances surrounding these significant moments.
Explore all events today 7th April.
23/04/2024
The 2024 Lumut mid-air collision in Malaysia kills 10 people while rehearsing for the 90th anniversary of the Royal Malaysian Navy.
On 23 April 2024 at 09:32 MYT, two Royal Malaysian Navy helicopters – an AgustaWestland AW139 and a Eurocopter Fennec – collided over the Malaysian town of Lumut during a military parade rehearsal celebrating the 90th anniversary of the Royal Malaysian Navy. Ten people – seven on the AW139 and three on the Fennec – were killed. There were no survivors. Malaysian investigators determined the crash was caused by pilot error.
23/04/2019
The April 2019 Hpakant jade mine collapse in Myanmar kills four miners and two rescuers, with at least 50 others missing and presumed dead.
On 22 April 2019, a landslide triggered the collapse of a jade mine near Maw Wun Kalay, Hpakant, Kachin State, Myanmar, trapping at least 54 miners. The deaths of four miners were confirmed, along with the later deaths of two rescue workers. The remaining miners were presumed to have died.
23/04/2018
A vehicle-ramming attack kills 11 people and injures 15 in Toronto. A 25-year-old suspect, Alek Minassian, is arrested.
A vehicle-ramming attack occurred on April 23, 2018, when a rented van was driven along Yonge Street through the North York City Centre business district in Toronto, Ontario, Canada. The driver, 25-year-old Alek Minassian, targeted pedestrians, killing 11 and injuring 15, some critically. The attack started at the intersection of Yonge Street and Finch Avenue and proceeded south along the sidewalks of Yonge Street to near Sheppard Avenue. Nine of the eleven killed were women. The perpetrator was arrested just south of the crime scene, after exiting his vehicle van and attempting to commit suicide by cop.
23/04/2013
At least 111 people are killed and 233 injured as violence breaks out in Hawija, Iraq.
The 2013 Hawija clashes relate to a series of violent attacks within Iraq, as part of the 2012–2013 Iraqi protests and Iraqi insurgency (2011–2013). On 23 April, an army raid against a protest encampment in the city of Hawija, west of Kirkuk, led to dozens of civilian deaths and the involvement of several insurgent groups in organized action against the government, leading to fears of a return to a wide-scale Sunni–Shia conflict within the country. By 27 April, more than 300 people were reported killed and scores more injured in one of the worst outbreaks of violence since the U.S. withdrawal in December 2011.
23/04/2005
The first YouTube video, titled "Me at the zoo", was published by co-founder Jawed Karim.
YouTube is an American online video sharing platform owned by Google. YouTube was founded on February 14, 2005, by Chad Hurley, Jawed Karim, and Steve Chen, who were former employees of PayPal. Headquartered in San Bruno, California, it is the second-most-visited website in the world, after Google itself. In January 2024, YouTube had reached more than 2.7 billion monthly active users, who collectively consumed more than one billion hours of video content every day. As of May 2019, videos were being uploaded to the platform at a rate of more than 500 hours of content per minute, and as of mid-2024, there were approximately 14.8 billion videos in total.
23/04/1999
NATO bombs the headquarters of Radio Television of Serbia, as part of their aerial campaign against the Federal Republic of Yugoslavia.
The North Atlantic Treaty Organization (NATO) is an intergovernmental military alliance between 32 member states—30 in Europe and two in North America. Founded in the aftermath of World War II, NATO was established with the signing of the North Atlantic Treaty in 1949. The organization serves as a system of collective security, whereby its independent member states agree to mutual defence in response to an attack by any outside party. This is enshrined in Article 5 of the treaty, which states that an armed attack against one member shall be considered an attack against them all.
23/04/1993
Eritreans vote overwhelmingly for independence from Ethiopia in a United Nations-monitored referendum.
Eritrea, officially the State of Eritrea, is a country in the Horn of Africa region of East Africa. Its capital and largest city is Asmara. The country is bordered by Ethiopia to the south, Sudan to the west, and Djibouti to the southeast. The northeastern and eastern parts of Eritrea have an extensive coastline along the Red Sea. The country has a total area of approximately 117,600 km2 (45,406 sq mi), and includes the Dahlak Archipelago and several of the Hanish Islands.
Sri Lankan politician Lalith Athulathmudali is assassinated while addressing a gathering, approximately four weeks ahead of the Provincial Council elections for the Western Province.
Sri Lanka, officially the Democratic Socialist Republic of Sri Lanka, formerly known as Ceylon, is an island country in South Asia. It is located in the Indian Ocean, southwest of the Bay of Bengal, and is separated from India by the Gulf of Mannar and the Palk Strait. Sri Lanka shares a maritime border with the Maldives to the southwest and India to the northwest, and lies across the Bay of Bengal from Bangladesh and Myanmar to the northeast and the Andaman and Nicobar Islands of India to the east. Its capital is Sri Jayawardenepura Kotte, while Colombo is its largest city and the political, financial and cultural centre. Sri Lanka's population is 22 million; with the Sinhalese people, who speak the Sinhala language, forming the vast majority—while Tamil is spoken by the large Tamil minority. Other long-established ethnic groups include the Moors, Indian Tamils, Burghers, Malays, Chinese, and Vedda.
23/04/1990
Namibia becomes the 160th member of the United Nations and the 50th member of the Commonwealth of Nations.
Namibia, officially the Republic of Namibia, is a country in Southern Africa. It borders the Atlantic Ocean to the west, Angola and Zambia to the north, Botswana to the east and South Africa to the south; in the northeast, approximating a quadripoint, Zimbabwe lies less than 200 metres away along the Zambezi river near Kazungula, Zambia. Namibia's capital and largest city is Windhoek.
23/04/1985
Coca-Cola changes its formula and releases New Coke. The response is overwhelmingly negative, and the original formula is back on the market in less than three months.
Coca-Cola, or Coke, is a cola soft drink manufactured by the Coca-Cola Company. In 2013, Coke products were sold in over 200 countries and territories worldwide, with consumers drinking more than 1.8 billion company beverage servings each day. Coca-Cola ranked No. 94 in the 2024 Fortune 500 list of the largest United States corporations by revenue. Based on Interbrand's "best global brand" study of 2023, Coca-Cola was the world's sixth most valuable brand.
23/04/1979
SAETA Flight 011 crashes in Pastaza Province, Ecuador, killing all 57 people on board. The wreckage was not discovered until 1984.
On 23 April 1979, SAETA Flight 011, a Vickers Viscount passenger aircraft of Ecuadorian airline SAETA, crashed in a mountainous region of Pastaza Province, Ecuador, killing all 57 people on board. The wreckage of the aircraft was not found until five years later.
Blair Peach, a British activist, was fatally injured after being knocked unconscious during an Anti-Nazi League demonstration against a National Front election meeting in Southall, London.
Clement Blair Peach was a New Zealand teacher who was killed during an anti-racism demonstration in Southall, London, England. A campaigner and activist against the far right, in April 1979 Peach took part in an Anti-Nazi League demonstration in Southall against a National Front election meeting in the town hall and was hit on the head, probably by a member of the Special Patrol Group (SPG), a specialist unit within the Metropolitan Police Service. He died in hospital that night.
23/04/1971
Bangladesh Liberation War: The Pakistan Army and Razakars massacre approximately 3,000 Hindu emigrants in the Jathibhanga area of East Pakistan (now Bangladesh).
The Bangladesh Liberation War, also known as the Bangladesh War of Independence, was an armed conflict sparked by the rise of the Bengali nationalist and self-determination movement in East Pakistan, which resulted in the independence of Bangladesh with the help of India. The war began when the Pakistani military junta based in West Pakistan—under the orders of Yahya Khan—launched Operation Searchlight against East Pakistanis on the night of 25 March 1971, initiating the Bangladesh genocide.
23/04/1968
Vietnam War: Student protesters at Columbia University in New York City take over administration buildings and shut down the university.
The Vietnam War was an armed conflict in Vietnam, Laos, and Cambodia fought between North Vietnam and South Vietnam and their allies. North Vietnam was supported by the Soviet Union and China, while South Vietnam was supported by the United States and other anti-communist nations. The conflict was the second of the Indochina wars and a proxy war of the Cold War between the Soviet Union and US. The Vietnam War was one of the postcolonial wars of national liberation, a theater in the Cold War, and a civil war, with civil warfare a defining feature from the outset. Direct US military involvement escalated from 1965 until US forces were withdrawn in 1973. The fighting spilled into the Laotian and Cambodian Civil Wars, which ended with all three countries becoming communist in 1975.
23/04/1967
Soviet space program: Soyuz 1 (Russian: Союз 1, Union 1) a crewed spaceflight carrying cosmonaut Colonel Vladimir Komarov is launched into orbit.
The Soviet space program was the state space program of the Soviet Union, active from 1951 until the dissolution of the Soviet Union in 1991. Contrary to its competitors, which had their programs run under single coordinating agencies, the Soviet space program was divided between several internally competing design bureaus led by Korolev, Kerimov, Keldysh, Yangel, Glushko, Chelomey, Makeyev, Chertok and Reshetnev. Several of these bureaus were subordinated to the Ministry of General Machine-Building. The Soviet space program served as an important marker of claims by the Soviet Union to its superpower status.
23/04/1966
Aeroflot Flight 2723 crashes into the Caspian Sea off the Absheron Peninsula, killing 33 people.
Aeroflot Flight 2723 was a Soviet domestic passenger flight from Bina International Airport to Makhachkala Airport. On 23 April 1966 the Ilyushin Il-14 operating the route ditched in the Caspian Sea following unexplained engine problems. None of the 33 on board survived.
23/04/1961
Algiers putsch by French generals.
The Algiers putsch, also known as the putsch of the generals, was a failed coup d'état intended to force French President Charles de Gaulle not to abandon French Algeria, the resident European community and pro-French Algerians. Organised in French Algeria by retired French Army generals Maurice Challe, Edmond Jouhaud, André Zeller and Raoul Salan, it took place from the afternoon of 21 to 26 April 1961 in the midst of the Algerian War (1954–1962) and brought the nation to the brink of a civil war.
23/04/1951
Cold War: American journalist William N. Oatis is arrested for espionage by the Communist government of Czechoslovakia.
The Cold War was a period of international geopolitical rivalry between the United States (US) and the Soviet Union (USSR) and their respective allies, the capitalist Western Bloc and communist Eastern Bloc. It began in the aftermath of the Second World War and ended with the dissolution of the Soviet Union in 1991. The term cold war is used because there was no direct fighting between the two superpowers, though each supported opposing sides in regional conflicts known as proxy wars. In addition to the struggle for ideological and economic influence and an arms race in both conventional and nuclear weapons, the Cold War was expressed through technological rivalries such as the Space Race, espionage, propaganda campaigns, embargoes, and sports diplomacy.
23/04/1949
Chinese Civil War: Establishment of the People's Liberation Army Navy.
The Chinese Civil War was fought between the Kuomintang-led government of the Republic of China and the forces of the Chinese Communist Party (CCP). Armed conflict continued intermittently from 1 August 1927 until Communist victory resulted in their near-complete control over mainland China on 10 December 1949.
23/04/1946
Manuel Roxas is elected the last President of the Commonwealth of the Philippines.
Manuel Acuña Roxas was the fifth president of the Philippines, serving from 1946 until his death in 1948. He served briefly as the third and last President of the Commonwealth of the Philippines from May 28, 1946, to July 4, 1946, and became the first President of the Independent Third Philippine Republic after the United States ceded its sovereignty over the Philippines.
23/04/1945
World War II: Adolf Hitler's designated successor, Hermann Göring, sends him a telegram asking permission to take leadership of Nazi Germany. Martin Bormann and Joseph Goebbels advise Göring that the telegram is treasonous.
Adolf Hitler was an Austrian-born German politician who was the dictator of Germany during the Nazi era, which lasted from 1933 until his suicide in 1945. He rose to power as the leader of the Nazi Party, becoming the chancellor of Germany in 1933 and then taking the title of Führer und Reichskanzler in 1934. Germany's invasion of Poland on 1 September 1939 under his leadership marked the outbreak of the Second World War. Throughout the ensuing conflict, Hitler was closely involved in the direction of German military operations and was central to the perpetration of the Holocaust, the genocide of about six million Jews and millions of other victims.
23/04/1942
World War II: Baedeker Blitz: German bombers hit Exeter, Bath and York in retaliation for the British raid on Lübeck.
The Baedeker Blitz or Baedeker raids was a series of bombing raids by the Luftwaffe on the United Kingdom during World War II in April and May 1942. Towns and cities in England were targeted for their cultural value as part of a demoralisation campaign.
23/04/1941
World War II: The Greek government and King George II evacuate Athens before the invading Wehrmacht.
World War II, or the Second World War, was a global conflict between two coalitions: the Allies and the Axis powers. Nearly all of the world's countries participated. Tanks and aircraft played major roles, the latter enabling the strategic bombing of cities and delivery of the only nuclear weapons used in war. World War II was the deadliest conflict in history, causing the death of 60 to 75 million people. Millions died as a result of massacres, starvation, disease, and genocides including the Holocaust. After the Allied victory, Germany, Austria, Japan, and Korea were occupied, and German and Japanese leaders were tried for war crimes.
23/04/1940
The Rhythm Club fire at a dance hall in Natchez, Mississippi, kills 198 people.
The Rhythm Club fire was a fire in a dance hall in Natchez, Mississippi on the night of April 23, 1940, which killed 209 people and severely injured many others. Hundreds of people were trapped inside the building. It is the fourth deadliest assembly and club fire in U.S. history.
23/04/1935
The Polish Constitution of 1935 is adopted.
The April Constitution of Poland was the general law passed by the act of the Polish Sejm on 23 April 1935. It introduced in the Second Polish Republic an authoritarian presidential system that no longer operated on the basis of the functional separation of powers. The constitution was adopted in violation of the previous March Constitution of 1921 as well as the rules of procedure of parliament, which is why it was questioned by a significant part of the opposition to the Sanacja government.
23/04/1927
Cardiff City defeat Arsenal in the FA Cup Final, the only time it has been won by a team not based in England.
Cardiff City Football Club is a professional association football club based in Cardiff, Wales. It currently competes in EFL League One, the third tier of the English football league system in the 2025–26 season following relegation. Founded in 1899 as Riverside A.F.C., the club changed its name to Cardiff City in 1908 and entered the Southern Football League in 1910 before joining the English Football League in 1920. The team has spent 17 seasons in the top tier of English football, the longest period being between 1921 and 1929. Their most recent season in the top flight was the 2018–19 Premier League season.
23/04/1920
The Grand National Assembly of Turkey (TBMM) is founded in Ankara. The assembly denounces the government of Sultan Mehmed VI and announces the preparation of a temporary constitution.
The Grand National Assembly of Turkey is the unicameral legislative branch of the Turkish government. It is the sole body given the legislative prerogatives by the unitary Turkish Constitution.
23/04/1919
The Estonian Constituent Assembly is held in Estonia, which marks the birth of the Estonian Parliament, the Riigikogu.
The Estonian Constituent Assembly was elected on 5–7 April 1919, called by the Estonian Provisional Government during the Estonian War of Independence.
23/04/1918
World War I: The British Royal Navy makes a raid in an attempt to neutralise the Belgian port of Bruges-Zeebrugge.
World War I, or the First World War, also known as the Great War, was a global conflict between two coalitions: the Allies and the Central Powers. Major areas of conflict included Europe and the Middle East, as well as parts of Africa and the Asia-Pacific. The war saw important developments in weaponry including tanks, aircraft, artillery, machine guns, and chemical weapons. One of the deadliest conflicts in history, it resulted in an estimated 15 to 22 million military and civilian casualties and genocide. The movement of large numbers of people was a major factor in the deadly Spanish flu pandemic.
23/04/1909
In Portugal, a magnitude 6.0 earthquake strikes near Lisbon, killing at least 60 people and injuring 75.
The 1909 Benavente earthquake occurred on 23 April at 17:39 GMT with an epicenter in the Lisbon region of Portugal. The earthquake had an estimated moment magnitude of 6.0 and had maximum Mercalli intensity of IX (Violent). Beneath the Lower Tagus Valley, where the earthquake occurred, is a system of normal faults that were reactivated during the Eocene as reverse faults. The earthquake was caused by movement along one of these buried faults. At least 30 people died and 75 people were injured; the towns of Samora Correia and Muge in Benavente were the hardest-hit, with 90 percent of it destroyed. Another 13,000 people were made homeless. In Lisbon, the earthquake caused minor damage to some homes, started fires, and injured several people.
23/04/1891
Chilean Civil War: The ironclad Blanco Encalada is sunk at Caldera Bay by torpedo boats.
The Chilean Civil War of 1891, or the Second Chilean Civil War or Revolution of 1891, was a civil war in Chile fought between forces supporting Congress and forces supporting the President, José Manuel Balmaceda from 16 January 1891 to 18 September 1891. The war saw a confrontation between the Chilean Army and the Chilean Navy, siding with the president and the Congress, respectively. This conflict ended with the defeat of the Chilean Army and the presidential forces, and with President Balmaceda committing suicide as a consequence of the defeat. In Chilean historiography the war marks the end of the Liberal Republic and the beginning of the Parliamentary Era.
23/04/1879
Fire burns down the second main building and dome of the University of Notre Dame, which prompts the construction of the third, and current, Main Building with its golden dome.
The University of Notre Dame du Lac is a private Catholic research university in Notre Dame, Indiana, United States. The university was founded in 1842 by members of the Congregation of Holy Cross, a Catholic religious order of priests and brothers. Its main campus covers 1,261 acres in a suburban setting and has landmarks such as the Golden Dome main building, Sacred Heart Basilica, the Grotto of Our Lady of Lourdes, the Word of Life mosaic mural, and Notre Dame Stadium.
23/04/1815
The Second Serbian Uprising: A second phase of the national revolution of the Serbs against the Ottoman Empire, erupts shortly after the annexation of the country to the Ottoman Empire.
The Second Serbian Uprising was the second phase of the Serbian Revolution against the Ottoman Empire, which erupted shortly after the re-annexation of the country to the Ottoman Empire in 1813. The occupation was enforced following the defeat of the First Serbian Uprising (1804–1813), during which Serbia existed as a de facto independent state for over a decade. The second revolution ultimately resulted in Serbian semi-independence from the Ottoman Empire. The Principality of Serbia was established, governed by its own parliament, constitution and royal dynasty. De jure independence, however, was attained in 1878, following the decisions of the Congress of Berlin.
23/04/1724
Johann Sebastian Bach leads the first performance of his cantata Du Hirte Israel, höre, BWV 104, illustrating the topic of the Good Shepherd in pastoral music.
Johann Sebastian Bach was a German composer and musician of the late Baroque period. He is known for his prolific output across a variety of instruments and forms, including the orchestral Brandenburg Concertos; solo instrumental works such as the Cello Suites and Sonatas and Partitas for Solo Violin; keyboard works such as the Goldberg Variations and The Well-Tempered Clavier; organ works such as the Schübler Chorales and the Toccata and Fugue in D minor; and choral works such as the St. Matthew Passion and the Mass in B minor. He is known for his mastery of counterpoint, as heard in The Musical Offering and The Art of Fugue. Felix Mendelssohn precipitated the Bach Revival with a performance of the St. Matthew Passion in 1829. Ever since, Bach has been acclaimed as one of the greatest composers of classical music.
23/04/1661
King Charles II of England, Scotland and Ireland is crowned in Westminster Abbey.
Charles II was King of Scotland from 1649 until 1651 and King of England, Scotland, and Ireland from the 1660 Restoration of the monarchy until his death in 1685.
23/04/1660
Treaty of Oliva is established between Sweden and Poland.
The Treaty or Peace of Oliva was one of the peace treaties ending the Second Northern War (1655–1660). It was signed on 3 May [O.S. 23 April] 1660. The Treaty of Oliva, the Treaty of Copenhagen in the same year, and the Treaty of Cardis in the following year marked the high point of the Swedish Empire.
23/04/1655
The Siege of Santo Domingo begins during the Anglo-Spanish War, and fails seven days later.
The siege of Santo Domingo was fought between April 23, 1655 and April 30, 1655, at the Spanish Colony of Santo Domingo. A force of 2,400 Spanish troops led by Governor Don Bernardino Meneses y Bracamonte, Count of Peñalba successfully resisted a force of 13,120 soldiers led by General Robert Venables and 34 ships under Admiral Sir William Penn of the English Commonwealth.
23/04/1635
The first public school in the United States, the Boston Latin School, is founded.
The Boston Latin School is a magnet Latin grammar state school in Boston, Massachusetts. It has been in continuous operation since it was established on April 23, 1635, and is one of the oldest existing schools in the United States, the other being Collegiate School in New York City.
23/04/1521
Battle of Villalar: King Charles I of Spain defeats the Comuneros.
The Battle of Villalar was a battle in the Revolt of the Comuneros fought on 23 April 1521 near the town of Villalar in Valladolid province, Spain. The royalist supporters of King Charles I won a crushing victory over the comuneros rebels. Three of the most important rebel leaders were captured, Juan de Padilla, Juan Bravo, and Francisco Maldonado. They were executed the next day, effectively ending armed resistance to Charles I.
23/04/1516
The Munich Reinheitsgebot (regarding the ingredients of beer) takes effect in all of Bavaria.
The Reinheitsgebot is a series of regulations limiting the ingredients in beer in Germany and the states of the former Holy Roman Empire. The best known version of the law was adopted in Bavaria in 1516, but similar regulations predate the Bavarian order, and modern regulations also significantly differ from the 1516 Bavarian version. Although today the Reinheitsgebot is mentioned in various texts about the history of beer, historically it was only applied in the duchy, electorate, then Kingdom of Bavaria and from 1906 in Germany as a whole, and it had little or no effect in other countries or regions. However, Norway adopted a similar law in 1912.
23/04/1500
Portuguese explorer Pedro Alvarez Cabral reaches new coastline (Brazil).
Pedro Álvares Cabral was a Portuguese nobleman, military commander, navigator and explorer regarded as the European discoverer of Brazil. He was the first human in history to ever be on four continents, uniting all of them in his famous voyage of 1500, where he also conducted the first substantial exploration of the northeast coast of South America and claimed it for Portugal. While details of Cabral's early life remain unclear, it is known that he came from a minor noble family and received a good education. He was appointed to head an expedition to India in 1500, following Vasco da Gama's newly opened route around Africa. The undertaking had the aim of returning with valuable spices and of establishing trade relations in India—bypassing the monopoly on the spice trade then in the hands of Arab, Turkish and Italian merchants. Although the previous expedition of Vasco da Gama to India, on its sea route, had recorded signs of land west of the southern Atlantic Ocean, Cabral led the first known expedition to have touched four continents: Europe, Africa, South America, and Asia.
23/04/1348
The founding of the Order of the Garter by King Edward III is announced on St. George's Day.
The Most Noble Order of the Garter is an order of chivalry founded by King Edward III in 1348. The most senior order of knighthood in the British honours system, it is outranked in precedence only by the decorations of the Victoria Cross and the George Cross. The Order of the Garter is dedicated to the image and arms of Saint George, England's patron saint.
23/04/1343
St. George's Night Uprising commences in the Duchy of Estonia.
Saint George's Night Uprising in 1343–1345 was an unsuccessful attempt by the indigenous Estonian population in the Duchy of Estonia, the Bishopric of Ösel-Wiek, and the insular territories of the State of the Teutonic Order to rid themselves of Danish and German rulers and landlords who had conquered the country in the 13th century during the Livonian Crusade; and to eradicate the non-indigenous Christian religion. After initial success the revolt was ended by the invasion of the Teutonic Order. In 1346, the Duchy of Estonia was sold for 19,000 Köln marks by the King of Denmark to the Teutonic Order. The shift of sovereignty from Denmark to the State of the Teutonic Order took place on November 1, 1346.
23/04/1016
Edmund Ironside succeeds his father Æthelred the Unready as King of England.
Edmund Ironside was King of the English from 23 April to 30 November 1016. Edmund's reign was spent fighting against a Danish invasion led by Cnut.
23/04/1014
Battle of Clontarf: High King of Ireland Brian Boru defeats Viking invaders, but is killed in battle.
The Battle of Clontarf took place on 23 April 1014 at Clontarf, near Dublin, on the east coast of Ireland. It pitted an army led by Brian Boru, High King of Ireland, against a Norse-Irish alliance comprising the forces of Sigtrygg Silkbeard, King of Dublin; Máel Mórda mac Murchada, King of Leinster; and a Viking army from abroad led by Sigurd of Orkney and Brodir of Mann. It lasted from sunrise to sunset, and ended in a rout of the Viking and Leinster armies.
23/04/0711
Dagobert III succeeds his father King Childebert III as King of the Franks.
Year 711 (DCCXI) was a common year starting on Thursday of the Julian calendar. The denomination 711 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
23/04/0599
Maya king Uneh Chan of Calakmul attacks rival city-state Palenque in southern Mexico, defeating queen Yohl Ik'nal and sacking the city.
Year 599 (DXCIX) was a common year starting on Thursday of the Julian calendar. The denomination 599 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
01/01/1970
A temple is built on the Capitoline Hill dedicated to Venus Erycina to commemorate the Roman defeat at Lake Trasimene.
The Temple of Venus Erycina was a temple on the Capitoline Hill in Ancient Rome dedicated to Venus Erycina. This was an aspect of the goddess Venus. Later this temple was probably called the Temple of the Capitoline Venus. There was another temple with the same name in Rome, the Temple of Venus Erycina.