Historical timeline for February 28

The United States and Israel launch attacks across Iran, assassinating Supreme Leader Ali Khamenei. Retaliatory strikes are launched by Iran against US military bases in the Gulf, with explosions reported in Bahrain, Kuwait, Qatar and the UAE.

Prime Minister Modi of India inaugurates the 2nd Space Port of India - Kulasekarapattinam Spaceport.

Two trains collide south of the Vale of Tempe in Greece, leading to the deaths of at least 57 people and leaving 58 missing and 85 injured.

Pope Benedict XVI resigns as the pope of the Catholic Church, becoming the first pope to do so voluntarily since Pope Gregory XII in 1415.

During the religious violence in Gujarat, 97 people are killed in the Naroda Patiya massacre and 69 in the Gulbarg Society massacre.

The 2001 Nisqually earthquake, having a moment magnitude of 6.8, with epicenter in southern Puget Sound, damages the Seattle metropolitan area.

An earthquake in northern Iran is responsible for about 1,100 deaths.

A Turkish military memorandum results in the collapse of the coalition government in Turkey.

Bureau of Alcohol, Tobacco and Firearms (ATF) agents raid the Branch Davidian church in Waco, Texas with a warrant to arrest the group's leader David Koresh, starting a 51-day standoff.

Space Shuttle Atlantis is launched on STS-36.

Olof Palme, 26th Prime Minister of Sweden, is assassinated in Stockholm.

The Provisional Irish Republican Army carries out a mortar attack on the Royal Ulster Constabulary police station at Newry, killing nine officers.

The final episode of M*A*S*H airs, with almost 110 million viewers.

In London, an underground train fails to stop at Moorgate terminus station and crashes into the end of the tunnel, killing 43 people.

The British election ends in a hung parliament after the Jeremy Thorpe-led Liberal Party achieved their biggest vote share since 1929.

Aeroflot Flight X-167 crashes during takeoff from Semey Airport, killing 32 people.

The 1969 Portugal earthquake hits Portugal, Spain and Morocco.

A NASA T-38 Talon crashes into the McDonnell Aircraft factory while attempting a poor-visibility landing at Lambert Field, St. Louis, killing astronauts Elliot See and Charles Bassett.

Discoverer 1, an American spy satellite that is the first object intended to achieve a polar orbit, is launched but fails to achieve orbit.

A school bus in Floyd County, Kentucky hits a wrecker truck and plunges down an embankment into the rain-swollen Levisa Fork river. The driver and 26 children die in one of the worst school bus accidents in U.S. history.