WHAT ALL HAPPENED MAY TO JULY 1974
Find out what all happened May to July 1974

Ma'alot massacre: In an Arab terrorist attack and hostage taking at an Israeli school, a total of 31 people are killed, including 22 schoolchildren. (15. May 1974)

U.S. president Richard Nixon visits the Soviet Union. (27. June 1974)

The Argentine terrorist organization Montoneros is expelled from Plaza de Mayo by president Juan Perón. (1. May 1974)

Konstantinos Karamanlis arrives in Greece following the collapse of the Greek military junta, beginning Greece's metapolitefsi era. (24. July 1974)

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

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

An all-female Japanese team reaches the summit of Manaslu, becoming the first women to climb an 8,000-meter peak. (4. May 1974)

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

Greek Prime Minister Konstantinos Karamanlis forms the country's first civil government after seven years of military rule. (26. July 1974)

Turkish occupation of Cyprus: Forces from Turkey invade Cyprus after a coup d'etat, organised by the dictator of Greece, against president Makarios. (20. July 1974)

Watergate scandal: the United States Supreme Court unanimously ruled that President Richard Nixon did not have the authority to withhold subpoenaed White House tapes and they order him to surrender the tapes to the Watergate special prosecutor. (24. July 1974)

In Nicosia, Cyprus, Greek Junta-sponsored nationalists launch a coup d'état, deposing President Makarios and installing Nikos Sampson as Cypriot president. (15. July 1974)

Northern Ireland's power-sharing Sunningdale Agreement collapses following a general strike by loyalists. (28. May 1974)

Completion of the Warsaw radio mast, the tallest construction ever built at the time. It collapsed on August 8, 1991. (18. May 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)

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

Thirty-three civilians are killed and over 300 injured when the Ulster Volunteer Force (UVF) explodes car bombs in Dublin and Monaghan, Republic of Ireland. It is the highest number of casualties in any one day during The Troubles. An Irish parliament committee, and others, allege that British security forces were involved. (17. May 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)

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