WHAT HAPPENED IN 1975.
Look what happened the 1975.

Mayagüez incident: the Cambodian navy seizes the American merchant ship SS Mayaguez in international waters. (12. May 1975)

India annexes Sikkim after the mountain state holds a referendum in which the popular vote is in favor of merging with India. (16. May 1975)

Junko Tabei becomes the first woman to reach the summit of Mount Everest. (16. May 1975)

Dibbles Bridge Coach Crash near Grassington, in North Yorkshire, England, kills 33 – the highest ever death toll in a road accident in the United Kingdom. (27. May 1975)

Fifteen West African countries sign the Treaty of Lagos, creating the Economic Community of West African States. (28. May 1975)

The Governor of California Jerry Brown signs the California Agricultural Labor Relations Act into law, the first law in the U.S. giving farmworkers collective bargaining rights. (4. June 1975)

The Suez Canal opens for the first time since the Six-Day War. (5. June 1975)

The United Kingdom holds its first country-wide referendum on remaining in the European Economic Community (EEC). (5. June 1975)

The inaugural Cricket World Cup began in England. (7. June 1975)

Mozambique achieves independence. (25. June 1975)

Prime Minister Indira Gandhi has a state of internal Emergency declared in India. (25. June 1975)

Two FBI agents and a member of the American Indian Movement are killed in a shootout on the Pine Ridge Indian Reservation in South Dakota; Leonard Peltier is later convicted of the murders in a controversial trial. (26. June 1975)

Steve Wozniak tested his first prototype of Apple I computer. (29. June 1975)

Arthur Ashe becomes the first black man to win the Wimbledon singles title. (5. July 1975)

Cape Verde gains its independence from Portugal. (5. July 1975)

The Comoros declares independence from France. (6. July 1975)

São Tomé and Príncipe declare independence from Portugal. (12. July 1975)

Space Race: Apollo–Soyuz Test Project features the dual launch of an Apollo spacecraft and a Soyuz spacecraft on the first joint Soviet-United States human-crewed flight. It was both the last launch of an Apollo spacecraft, and the Saturn family of rockets. (15. July 1975)

Apollo–Soyuz Test Project: An American Apollo and a Soviet Soyuz spacecraft dock with each other in orbit marking the first such link-up between spacecraft from the two nations. (17. July 1975)

Jimmy Hoffa disappears from the parking lot of the Machus Red Fox restaurant in Bloomfield Hills, Michigan, a suburb of Detroit, at about 2:30 p.m. He is never seen or heard from again, and will be declared legally dead on this date in 1982. (30. July 1975)