WHAT ALL HAPPENED APRIL TO JULY 1974
Find out what all happened April to July 1974

A new Instrument of Government is promulgated making Sweden a parliamentary monarchy. (6. June 1974)

The Baltimore municipal strike of 1974 begins. (30. June 1974)

Spetsgruppa A, Russia's elite special force, was formed. (28. July 1974)

Flixborough disaster: an explosion at a chemical plant kills 28 people. (1. June 1974)

Nuclear test: under project Smiling Buddha, India successfully detonates its first nuclear weapon becoming the sixth nation to do so. (18. May 1974)

Isabel Perón is sworn in as the first female President of Argentina. Her husband, President Juan Peron, had delegated responsibility due to weak health and died two days later. (29. June 1974)

Watergate scandal: U.S. President Richard Nixon releases subpoenaed White House recordings after being ordered to do so by the Supreme Court of the United States. (30. July 1974)

West German Chancellor Willy Brandt resigns. (7. May 1974)

Watergate Scandal: The United States House of Representatives Judiciary Committee opens formal and public impeachment hearings against President Richard Nixon. (9. May 1974)

Watergate Scandal: President Richard Nixon announces the release of edited transcripts of White House tape recordings relating to the scandal. (29. April 1974)

Police in Los Angeles, California, raid the Symbionese Liberation Army's headquarters, killing six members, including Camilla Hall. (17. May 1974)

The Airbus A300 passenger aircraft first enters service. (30. May 1974)

At Atlanta-Fulton County Stadium, Hank Aaron hits his 715th career home run to surpass Babe Ruth's 39-year-old record. (8. April 1974)

The Heimlich maneuver for rescuing choking victims is published in the journal Emergency Medicine. (1. June 1974)

The Super Outbreak occurs, the second biggest tornado outbreak in recorded history (after the April 25–28, 2011 tornado outbreak). The death toll is 315, with nearly 5,500 injured. (3. April 1974)

Carnation Revolution: A leftist military coup in Portugal overthrows the fascist Estado Novo regime and establishes a democratic government. (25. April 1974)

Six Royal Canadian Army Cadets are killed and fifty-four are injured in an accidental grenade blast at CFB Valcartier Cadet Camp. (30. July 1974)

The Universal Product Code is scanned for the first time to sell a package of Wrigley's chewing gum at the Marsh Supermarket in Troy, Ohio (26. June 1974)

The Greek military junta collapses, and former Prime Minister Konstantinos Karamanlis is invited to lead the new government. (23. July 1974)

Portugal and the Soviet Union establish diplomatic relations. (9. June 1974)