📅 On This Day in History

What Happened on April 4th in History

30 historical events on this date

1968

Martin Luther King Jr. is assassinated by James Earl Ray at a motel in Memphis, Tennessee.

On April 4, 1968, at 6:01 p.m. CST, Martin Luther King Jr., an American civil rights activist, was fatally shot at the Lorraine Motel in Memphis, Tennessee. He was rushed to St. Joseph's Hospital,...

1968

Apollo program: NASA launches Apollo 6.

The Apollo program, also known as Project Apollo, was the United States human spaceflight program led by NASA, which landed the first humans on the Moon in 1969. Apollo was conceived in 1960 in the...

1969

Dr. Denton Cooley implants the first temporary artificial heart.

Denton Arthur Cooley was an American cardiothoracic surgeon famous for performing the first implantation of a total artificial heart. Cooley was also the founder and surgeon in-chief of The Texas...

1973

The Twin Towers of the World Trade Center in New York City are officially dedicated.

The original World Trade Center (WTC) was a complex of seven buildings in the Financial District of Lower Manhattan in New York City. Built primarily between 1966 and 1975, it was dedicated on April...

1973

A Lockheed C-141 Starlifter, dubbed the Hanoi Taxi, makes the last flight of Operation Homecoming.

The Lockheed C-141 Starlifter is a retired military strategic airlifter that served with the Military Air Transport Service (MATS), its successor organization the Military Airlift Command (MAC), and...

1975

Microsoft is founded as a partnership between Bill Gates and Paul Allen in Albuquerque, New Mexico.

Microsoft Corporation is an American multinational technology company headquartered in Redmond, Washington. The company became influential in the rise of personal computers through software like...

1975

Vietnam War: A United States Air Force Lockheed C-5A Galaxy transporting orphans, crashes near Saigon, South Vietnam shortly after takeoff, killing 172 people.

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...

1977

Southern Airways Flight 242 crashes in New Hope, Paulding County, Georgia, killing 72.

Southern Airways Flight 242 was a scheduled flight from Muscle Shoals, Alabama, to Atlanta, Georgia, with a stop in Huntsville, Alabama. On April 4, 1977, the Douglas DC-9-31 executed a forced...

1979

Prime Minister Zulfikar Ali Bhutto of Pakistan is executed.

Zulfikar Ali Bhutto NPk was a Pakistani barrister, politician and statesman who served as the fourth president of Pakistan from 1971 to 1973 and later as the ninth prime minister of Pakistan from...

1981

Iran–Iraq War: The Islamic Republic of Iran Air Force mounts an attack on H-3 Airbase and destroys about 50 Iraqi aircraft.

The Iran–Iraq War began with the Iraqi invasion of Iran in September 1980. After eight years of conflict, both countries accepted a ceasefire deal brokered by the United Nations, which became...

1983

Space Shuttle program: Space Shuttle Challenger makes its maiden voyage into space on STS-6.

The Space Shuttle program was the fourth human spaceflight program carried out by the U.S. National Aeronautics and Space Administration (NASA), which accomplished routine transportation for...

1984

President Ronald Reagan calls for an international ban on chemical weapons.

Ronald Wilson Reagan was an American politician and actor who served as the 40th president of the United States from 1981 to 1989. A member of the Republican Party, he became an important figure in...

1987

Garuda Indonesia Flight 032 crashes at Medan Airport, killing 23.

Garuda Indonesia Flight 035 was a domestic Garuda Indonesia flight that struck a pylon and crashed on approach to Medan-Polonia Airport on 4 April 1987. Out of the 45 passengers and crew on board,...

1988

Governor Evan Mecham of Arizona is convicted in his impeachment trial and removed from office.

The governor of Arizona is the head of government of the U.S. state of Arizona. As the top elected official, the governor is the head of the executive branch of the Arizona state government and is...

1990

The current flag of Hong Kong is adopted for post-colonial Hong Kong during the Third Session of the Seventh National People's Congress.

The Regional Flag of the Hong Kong Special Administrative Region of the People's Republic of China depicts a white stylised five-petal Hong Kong orchid tree flower in the centre of a Chinese red...

1991

Senator John Heinz of Pennsylvania and six others are killed when a helicopter collides with their airplane over an elementary school in Merion, Pennsylvania.

Henry John Heinz III was an American businessman and politician who served as a United States senator from Pennsylvania from 1977 until his death in 1991. An heir to the Heinz family fortune, Heinz...

1991

Forty-one people are taken hostage inside a Good Guys! Electronics store in Sacramento, California. Three of the hostage takers and three hostages are killed.

On April 4, 1991, 41 employees and customers were taken hostage by four gunmen and held at a Good Guys! electronics store at the corner of 65th Street and Stockton Boulevard in Sacramento,...

1994

Three people are killed when KLM Cityhopper Flight 433 crashes at Amsterdam Airport Schiphol.

KLM Cityhopper Flight 433 was a Saab 340B, registered as PH-KSH, which crashed during an emergency landing on 4 April 1994, resulting in the death of 3 occupants, including the captain. Flight 433...

1996

Comet Hyakutake is imaged by the USA Asteroid Orbiter Near Earth Asteroid Rendezvous.

Comet Hyakutake is a comet discovered on 31 January 1996. It was dubbed the Great Comet of 1996; its passage to within 0.1 AU (15 Gm) of the Earth on 25 March was one of the closest cometary...

1997

Space Shuttle program: Space Shuttle Columbia is launched on STS-83. However, the mission is later cut short due to a fuel cell problem.

Space Shuttle Columbia (OV-102) was a Space Shuttle orbiter manufactured by Rockwell International and operated by NASA. Named after the first American ship to circumnavigate the globe, and the...

2002

The MPLA government of Angola and UNITA rebels sign a peace treaty ending the Angolan Civil War.

The People's Movement for the Liberation of Angola, from 1977 to 1990 called the People's Movement for the Liberation of Angola – Labour Party, is an Angolan democratic socialist political party....

2009

France announces its return to full participation of its military forces within NATO.

France, officially the French Republic, is a country primarily located in Western Europe. Its overseas regions and territories include French Guiana in South America, Saint Pierre and Miquelon in...

2010

A magnitude 7.2 earthquake hits south of the Mexico-USA border, killing at least two and damaging buildings across the two countries.

The 2010 Baja California earthquake occurred on April 4 with a moment magnitude of 7.2 and a maximum Mercalli intensity of IX (Violent). The shock originated at 15:40:41 local time south of...

2011

Georgian Airways Flight 834 crashes at N'djili Airport in Kinshasa, killing 32.

On 4 April 2011, Georgian Airways Flight 834, a Bombardier CRJ100 passenger jet of Georgian Airways operating a domestic flight from Kisangani to Kinshasa in the Democratic Republic of the Congo...

2013

Seventy-four people are killed in a building collapse in Thane, India.

On 4 April 2013, a building collapsed on tribal land in Mumbra, a suburb of Thane in Maharashtra, India. It has been called the worst building collapse in the area. Seventy-four people were killed,...

2017

Syria conducts an air strike on Khan Shaykhun using chemical weapons, killing 89 civilians.

The Khan Shaykhun chemical attack took place on 4 April 2017 on the town of Khan Shaykhun in the Idlib Governorate of Syria. The town was reported to have been struck by an airstrike by government...

2020

China holds a national day of mourning for martyrs who died in the fight against the novel coronavirus disease outbreak.

A national day of mourning is a day, or one of several days, marked by mourning and memorial activities observed among the majority of a country's populace. They are designated by the national...

2023

Finland becomes a member of NATO after Turkey accepts its membership request.

Finland, or the Republic of Finland, is a Nordic country in Northern Europe. It borders Sweden to the northwest, Norway to the north, and Russia to the east, with the Gulf of Bothnia to the west and...

2024

Russo-Ukrainian war: The Battle of Chasiv Yar begins.

The Russo-Ukrainian war began in February 2014 and is ongoing. Following Ukraine's Revolution of Dignity, Russia occupied Crimea and annexed it from Ukraine. It then supported Russian separatist...

2025

The impeachment of President Yoon Suk Yeol of South Korea in response to his declaration of martial law is unanimously upheld by the country's Constitutional Court, ending his presidency.

On 14 December 2024, Yoon Suk Yeol, then president of South Korea, was impeached by the National Assembly following the passage of an impeachment bill with 204 of the 300 members voting in favor....