Historical timeline for March 7

Hannah Gutierrez-Reed is found guilty of involuntary manslaughter in the death of Halyna Hutchins on the set of the movie Rust, the first time someone has been found guilty for causing a death on a movie set.

Sweden officially joins NATO, becoming its 32nd member.

At least 108 die and 615 are injured in the 2021 Bata explosions in Bata, Equatorial Guinea.

Massereene Barracks shooting: The Real Irish Republican Army kills two British soldiers and injures two other soldiers and two civilians at Massereene Barracks, the first British military deaths in Northern Ireland since the end of The Troubles.

Garuda Indonesia Flight 200 crashes at Adisutjipto International Airport in the Special Region of Yogyakarta, Indonesia, killing 21 people.

Reform of the House of Lords: The British House of Commons votes to make the upper chamber, the House of Lords, 100% elected.

The terrorist organisation Lashkar-e-Taiba coordinates a series of bombings in Varanasi, India.

Iran and the United Kingdom break diplomatic relations after a fight over Salman Rushdie and his controversial novel, The Satanic Verses.

Challenger Disaster: Divers from the USS Preserver locate the crew cabin of Challenger on the ocean floor.

Sheikh Mujibur Rahman, political leader of then East Pakistan (present day-Bangladesh), delivers his historic 7th March speech in the Racecourse Field (Now Suhrawardy Udyan) in Dhaka.

Aeroflot Flight 542 crashes in the Yermakovsky District, killing all 31 aboard.

Bloody Sunday: A group of 600 civil rights marchers are brutally attacked by state and local police in Selma, Alabama.

Iranian prime minister Ali Razmara is assassinated by Khalil Tahmasebi, a member of the Islamic fundamentalist Fada'iyan-e Islam, outside a mosque in Tehran.

Korean War: Operation Ripper: United Nations troops led by General Matthew Ridgway begin an assault against Chinese forces.

Northwest Orient Airlines Flight 307 crashes in Lynnhurst, Minneapolis, killing 15 people.

World War II: The American 9th Armored Division unexpectedly captures an intact bridge over the Rhine.

World War II: Günther Prien and the crew of German submarine U-47, one of the most successful U-boats of World War II, disappear without a trace.

The Parliament House of Finland is officially inaugurated in Helsinki, Finland.

The short-lived socialist Labin Republic is proclaimed.

Second Boer War: Boers, led by Koos de la Rey, defeat the British at the Battle of Tweebosch.