beach in San Clemente, California. A partial solar eclipse is visible from Southern Ocean, and is the 4th solar eclipse of Solar Saros 154. August 21 – A bomb made of two hand grenades by communist rebels explodes in the Liberal Party campaign party in Plaza Miranda in Quiapo, Manila the Philippines, injuring several anti-Marcos political candidates. August 25 Border clashes occur between Tanzania and Uganda. Bangladesh and eastern Bengal are flooded; thousands flee the area. August 26 – A civilian government takes power in Greece. August 30 – The Progressive Conservatives under Peter Lougheed defeat the Social Credit government under Harry E. Strom in a general election, ending 36 years of uninterrupted power for Social Credit in Alberta. September September – Operation Sourisak Montry VIII opens when forces of the Royal Thai Army recapture several positions in the territory of Laos on the south bank of the Mekong in response to an encroaching Chinese presence to the north. September 2 The United Arab Republic is renamed to the Arab Republic of Egypt September 3 Qatar gains independence from the United Kingdom. Unlike most nearby emirates, Qatar declines to become part of either the United Arab Emirates or Saudi Arabia. Manlio Brosio resigns as NATO Secretary General. September 4 – A Boeing 727 (Alaska Airlines Flight 1866) crashes into the side of a mountain near Juneau, Alaska, killing all 111 people on board. The Free State of Christiania is founded. September 8 – In Washington, D.C., the John F. Kennedy Center for the Performing Arts is inaugurated, with the opening feature being the premiere of Leonard Bernstein's Mass. September 9 – English musician John Lennon releases his second studio album Imagine. September 9–13 – Attica Prison riot: A revolt breaks out at the maximum-security prison in Attica, New York. In the end, state police and the United States National Guard storm the facility; 42 are killed, 10 of them hostages. September 17 – Hugo L. Black retires as an Associate Justice of the Supreme Court of the United States after serving for 34 years, at this time a record for longevity; Black dies eight days later. September 19 – Trams in Ballarat (Victoria, Australia) cease to run. September 21 – Pakistan declares a state of emergency. September 24 – Britain expels 90 KGB and GRU officials; 15 are not allowed to return. September 27–October 11 – Japanese Emperor Hirohito travels