3rd » The USS Nautilus SSN-571 6 is Ship decommissioning decommissioned and stricken from the Naval Vessel Register.
10th » Madeira School headmistress Jean Harris shoots and kills Scarsdale diet doctor Herman Tarnower
10th » Formation of the Irish Army Ranger Wing.
14th » In Poland, a LOT Polish Airlines Flight 007 e.g plane crashes during final approach (aviation) e.g final approach near Warsaw, killing 87 people, including a 14-man American boxing team.
18th » At Plesetsk Cosmodrome in Russia, 50 people are killed by an explosion of a Vostok rocket e.g Vostok-2M rocket on its launch pad during a fueling operation.
20th » The Radio Caroline ship, Mi Amigo founders in a gale off the England e.g English coast.
21st » President of the United States named US President Jimmy Carter announces a United States boycott of the 1980 Summer Olympics in Moscow to protest the Soviet war in Afghanistan.
21st » 'Dallas (1978 TV series) known as Dallas' aired its "A House Divided (Dallas) e.g A House Divided" episode, which led to eight months of international intrigue regarding Who shot J.R.?
23rd » Archbishop Óscar Romero of El Salvador gives his famous speech appealing to men of the El Salvadoran armed forces to stop killing the Salvadorans.
24th » Archbishop Óscar Romero is killed while celebrating Mass (Catholic Church) known as Mass in San Salvador.
27th » The Norwegian oil platform Alexander L. Kielland (platform) called Alexander L. Kielland collapses in the North Sea, killing 123 of its crew of 212.
27th » Silver Thursday: A steep fall in silver prices, resulting from Nelson Bunker Hunt e.g the Hunt Brothers attempting to corner the market in silver, led to panic on commodity and futures exchanges.
31st » The Chicago, Rock Island and Pacific Railroad operates its final train after being ordered to liquidate its assets because of bankruptcy and debts owed to creditors.