WHAT ALL HAPPENED APRIL TO SEPTEMBER 1975
Find out what all happened April to September 1975

WGPR in Detroit, Michigan, becomes the world's first black-owned-and-operated television station. (29. September 1975)

A privately chartered Boeing 707 crashes into the mountainside near Agadir, Morocco, killing 188. (3. August 1975)

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

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

Sacramento, California: Lynette Fromme attempts to assassinate U.S. President Gerald Ford. (5. September 1975)

The Sinai Interim Agreement relating to the Arab-Israeli conflict is signed. (4. September 1975)

The Hughes (later McDonnell-Douglas, now Boeing) AH-64 Apache makes its first flight. (30. September 1975)

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

Construction of the CN Tower is completed in Toronto, Ontario, Canada. It reaches 553.33 metres (1,815.4 ft) in height, becoming the world's tallest free-standing structure. (2. April 1975)

The Governor of Portuguese Timor abandons its capital, Dili, and flees to Atauro Island, leaving control to a rebel group. (27. August 1975)

Patty Hearst is arrested after a year on the FBI Most Wanted List. (18. September 1975)

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

East Timor: Governor Mário Lemos Pires of Portuguese Timor abandons the capital Dili, following a coup by the Timorese Democratic Union (UDT) and the outbreak of civil war between UDT and Fretilin. (11. August 1975)

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

Viking Program: NASA launches the Viking 1 planetary probe toward Mars. (20. August 1975)

Gays in the military: US Air Force Tech Sergeant Leonard Matlovich, a decorated veteran of the Vietnam War, appears in his Air Force uniform on the cover of Time magazine with the headline "I Am A Homosexual". He is given a general discharge, which was later upgraded to honorable. (8. September 1975)

Vietnam War: President of South Vietnam Nguyen Van Thieu flees Saigon, as Xuan Loc, the last South Vietnamese outpost blocking a direct North Vietnamese assault on Saigon, falls. (21. April 1975)

Bobby Fischer refuses to play in a chess match against Anatoly Karpov, giving Karpov the title of World Champion by default. (3. April 1975)

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

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