What Happened on April 25th in History
30 historical events on this date
At the San Remo conference, the principal Allied Powers of World War I adopt a resolution to determine the allocation of Class "A" League of Nations mandates for administration of the former Ottoman-ruled lands of the Middle East.
The San Remo conference was an international meeting of the post-World War I Allied Supreme Council as an outgrowth of the Paris Peace Conference, held at Castle Devachan in Sanremo, Italy, from 19...
Nazi Germany issues the Law Against Overcrowding in Schools and Universities limiting the number of Jewish students able to attend public schools and universities.
Nazi Germany, officially the German Reich and later the Greater German Reich, was the German state between 1933 and 1945, when Adolf Hitler and the Nazi Party controlled the country, transforming it...
U.S. Supreme Court delivers its opinion in Erie Railroad Co. v. Tompkins and overturns a century of federal common law.
The Supreme Court of the United States (SCOTUS) is the highest court in the federal judiciary of the United States. It has ultimate appellate jurisdiction over all U.S. federal court cases, and over...
The United Negro College Fund is incorporated.
The United Negro College Fund (UNCF) is an American philanthropic organization that funds scholarships for Black students and general scholarship funds for 37 private historically black colleges and...
World War II: United States and Soviet reconnaissance troops meet in Torgau and Strehla along the River Elbe, cutting the Wehrmacht of Nazi Germany in two. This would be later known as Elbe Day.
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...
World War II: Liberation Day (Italy): The National Liberation Committee for Northern Italy calls for a general uprising against the German occupation and the Italian Social Republic.
Liberation Day, also known as the Anniversary of Italy's Liberation, Anniversary of the Resistance, or simply 25 April is a national holiday in Italy that commemorates the liberation of Italy from...
United Nations Conference on International Organization: Founding negotiations for the United Nations begin in San Francisco.
The United Nations Conference on International Organization (UNCIO), commonly known as the San Francisco Conference, was a convention of delegates from 50 Allied nations that took place towards the...
World War II: The last German troops retreat from Finnish soil in Lapland, ending the Lapland War. Military actions of the Second World War end in Finland.
During World War II, the Lapland War saw fighting between Finland and Nazi Germany â effectively from September to November 1944 â in Finland's northernmost region, Lapland. Though the Finns and the...
Korean War: Assaulting Chinese forces are forced to withdraw after heavy fighting with UN forces, primarily made up of Australian and Canadian troops, at the Battle of Kapyong.
The Korean War was an armed conflict fought on the Korean Peninsula between North Korea and South Korea and their allies. North Korea was supported by China and the Soviet Union, while South Korea...
Francis Crick and James Watson publish "Molecular Structure of Nucleic Acids: A Structure for Deoxyribose Nucleic Acid" describing the double helix structure of DNA.
Francis Harry Compton Crick was an English molecular biologist, biophysicist, and neuroscientist. He, James Watson, Rosalind Franklin, and Maurice Wilkins played crucial roles in deciphering the...
The first practical solar cell is publicly demonstrated by Bell Telephone Laboratories.
A solar cell, also known as a photovoltaic cell, is an electronic device that converts the energy of light directly into electricity by using the photovoltaic effect. It is a type of photoelectric...
The Saint Lawrence Seaway, linking the North American Great Lakes and the Atlantic Ocean, officially opens to shipping.
The St. Lawrence Seaway is a system of rivers, locks, canals, and channels in Eastern Canada and the Northern United States that permits oceangoing vessels to travel from the Atlantic Ocean to the...
The United States Navy submarine USSÂ Triton completes the first submerged circumnavigation of the globe.
USS Triton (SSRN/SSN-586), the only member of her class, was a nuclear powered radar picket submarine in the United States Navy. She was the only Western submarine powered by two nuclear reactors....
Robert Noyce is granted a patent for an integrated circuit.
Robert Norton Noyce, nicknamed "the Mayor of Silicon Valley", was an American physicist and entrepreneur who co-founded Fairchild Semiconductor in 1957 and Intel Corporation in 1968. He was also...
Vietnam War: Nguyen Hue Offensive: The North Vietnamese 320th Division forces 5,000 South Vietnamese troops to retreat and traps about 2,500 others northwest of Kontum.
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...
Carnation Revolution: A leftist military coup in Portugal overthrows the authoritarian-conservative Estado Novo regime.
The Carnation Revolution, code-named Operation Historic Turn, also known as the 25th of April, was a military coup in Portugal by officers that on 25 April 1974 overthrew Marcelo Caetano and the...
One hundred forty-six people are killed when Dan-Air Flight 1008 crashes near Los Rodeos Airport in Tenerife, Canary Islands.
Dan-Air Flight 1008 was a fatal accident involving a Boeing 727-46 jet aircraft operated by Dan Air Services Limited on a chartered international passenger service from Manchester to Tenerife. The...
More than 100 workers are exposed to radiation during repairs of at the Tsuruga Nuclear Power Plant in Japan.
The Tsuruga Nuclear Power Plant is located in the city of Tsuruga, Fukui Prefecture, Japan. It is operated by the Japan Atomic Power Company (JAPC). The total site area is 5.12 square kilometres...
Israel completes its withdrawal from the Sinai Peninsula per the Camp David Accords.
Israel, officially the State of Israel, is a country in the Southern Levant region of West Asia. It is bordered by Lebanon to the north, Syria to the northeast, Jordan to the east, and Egypt to the...
Cold War: American schoolgirl Samantha Smith is invited to visit the Soviet Union by its leader Yuri Andropov after he read her letter in which she expressed fears about nuclear war.
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...
Pioneer 10 travels beyond Pluto's orbit.
Pioneer 10 is a NASA space probe launched in 1972 that completed the first mission to the planet Jupiter. Pioneer 10 became the first of five artificial objects to achieve the escape velocity needed...
Violeta Chamorro takes office as the President of Nicaragua, the first woman to hold the position.
Violeta Barrios Torres de Chamorro was a Nicaraguan politician who served as the president of Nicaragua from 1990 to 1997. She was the country's first female president. Previously, she was a member...
The March for Women's Lives brings over one million protesters, mostly pro-choice, to Washington D.C. to protest the Partial-Birth Abortion Ban Act of 2003, and other restrictions on abortion.
The March for Women's Lives was a protest demonstration held on April 25, 2004 at the National Mall in Washington, D. C. There was approximately 1.3 million participants. The demonstration was led...
The final piece of the Obelisk of Axum is returned to Ethiopia after being stolen by the invading Italian army in 1937.
The Obelisk of Axum is a 4th-century CE, 24-metre (79Â ft) tall phonolite stele, weighing 160 tonnes, in the city of Axum in Ethiopia. It is ornamented with two false doors at the base and features...
A seven-car commuter train derails and crashes into an apartment building near Amagasaki Station in Japan, killing 107, including the driver.
The Amagasaki derailment occurred in Amagasaki, HyĆgo Prefecture, Japan, on 25 April 2005 at 09:19 local time, just after the local rush hour. A seven-car commuter train came off the tracks on West...
Bulgaria and Romania sign the Treaty of Accession 2005 to join the European Union.
Bulgaria, officially the Republic of Bulgaria, is a country in Southeast Europe. It is situated on the eastern portion of the Balkans directly south of the Danube river and west of the Black Sea....
Boris Yeltsin's funeral: The first to be sanctioned by the Russian Orthodox Church for a head of state since the funeral of Emperor Alexander III in 1894.
Boris Yeltsin, the first President of Russia, died of cardiac arrest on 23 April 2007, twelve days after being admitted to the Central Clinical Hospital in Moscow. Yeltsin was the first Russian head...
The Flint water crisis begins when officials at Flint, Michigan switch the city's water supply to the Flint River, leading to lead and bacteria contamination.
The Flint water crisis was a public health crisis from 2014 to 2025 which involved the drinking water for the city of Flint, Michigan, being contaminated with lead and possibly Legionella bacteria.
At least 8,962 are killed in Nepal after a massive 7.8 magnitude earthquake strikes Nepal.
The April 2015 Nepal earthquake killed 8,962 people and injured 21,952 across the countries of Nepal, India, China and Bangladesh. It occurred at 11:56 Nepal Standard Time on Saturday 25 April 2015,...
Shots are fired outside of the White House Correspondents' Dinner in the Washington Hilton where U.S. President Donald Trump and members of his cabinet are attending. One injury is reported and a suspect is taken into custody.
On the evening of April 25, 2026, gunshots were fired near the main security screening area for the annual White House Correspondents' Dinner at the Washington Hilton in Washington, D.C. President...