WHAT ALL HAPPENED SEPTEMBER TO DECEMBER 1971
Find out what all happened September to December 1971

"The Troubles": The Ulster Volunteer Force bombs a Catholic-owned pub in Belfast, killing 15 civilians and wounding 17. It was the city's highest death toll from a single incident during the conflict. (4. December 1971)

During a severe thunderstorm over Washington state, a hijacker calling himself Dan Cooper (aka D. B. Cooper) parachutes from a Northwest Orient Airlines plane with $200,000 in ransom money. He has never been found. (24. November 1971)

The United Arab Emirates join the United Nations. (9. December 1971)

Cambodian Civil War: Khmer Rouge rebels intensify assaults on Cambodian government positions, forcing their retreat from Kompong Thmar and nearby Ba Ray. (1. December 1971)

Britain launches the satellite Prospero into low Earth orbit atop a Black Arrow carrier rocket, the only British satellite to date launched by a British rocket. (28. October 1971)

The United States Atomic Energy Commission tests the largest U.S. underground hydrogen bomb, code-named Cannikin, on Amchitka Island in the Aleutians. (6. November 1971)

Intel releases the world's first commercial single-chip microprocessor, the 4004. (15. November 1971)

The Nepal Stock Exchange collapses. (20. October 1971)

The Freetown Christiania was founded. (26. September 1971)

The Egyptian Constitution becomes official. (11. September 1971)

The Indian Navy attacks the Pakistan Navy and Karachi. (4. December 1971)

A gas explosion kills 22 people at a shopping center in Clarkston, East Renfrewshire, near Glasgow, Scotland. (21. October 1971)

Oman joins the Arab League. (29. September 1971)

People's Republic of China: Chairman Mao Zedong's second in command and successor Marshal Lin Biao flees the country via plane after the failure of alleged coup against Mao. The plane crashes in Mongolia, killing all aboard. (13. September 1971)

Pakistan severs diplomatic relations with India following New Delhi's recognition of Bangladesh. (6. December 1971)

Sold, dismantled and moved to the United States, London Bridge reopens in Lake Havasu City, Arizona. (10. October 1971)

Bangladesh Liberation War: Over 200 of East Pakistan' s intellectuals are executed by the Pakistan Army and their local allies. (The date is commemorated in Bangladesh as Martyred Intellectuals Day.) (14. December 1971)

The start of the 2500-year celebration of Iran, celebrating the birth of Persia. (15. October 1971)

Having weakened after making landfall in Nicaragua the previous day, Hurricane Irene regains enough strength to be renamed Hurricane Olivia, making it the first known hurricane to cross from the Atlantic Ocean into the Pacific. (20. September 1971)

Alaska Airlines Flight 1866 crashes near Juneau, Alaska, killing all 111 people on board. (4. September 1971)