Georgi Markov is murdered. The Bulgarian writer and dissenter had left Bulgaria in 1969 and was working at BBC in London during the time of his murder. His murder, which is popularly known as the Umbrella Murder took place while he was crossing the Waterloo Bridge in London. The assassin, nicknamed Piccadilly, used a modified umbrella to shot a pellet full of ricin in Markov’s leg. Markov died 4 days later, on September 11 of ricin poisoning.

Treaty giving the Panama Canal to Panama is Signed. The Torrijos–Carter Treaties were two treaties signed between the heads of state of the US and Panama. The treaties gave control of the canal that connects the Atlantic Ocean to the Pacific Ocean to Panama. The canal was constructed by, and had been in the control of, the United States since 1904.

Germans Begin the Blitz over London. The Germans began strategically bombing the United Kingdom and London on this day. For 57 days, the German Luftwaffe aerially bombed London, killing over 20,000 people and destroying over a million homes in the city. The strategy lasted until May 1941 but did not succeed in breaking British resolve. By 1941, German attention was diverted to the Soviet Union.

The Tasmanian Tiger Becomes Extinct. The last surviving Tasmanian Tiger – a carnivorous marsupial, died in captivity at the Hobart Zoo, Tasmania, Australia. Called Benjamin, the thylacine, as the species was called, is believed to have died due to neglect. Thylacines were natives of Australia and New Guinea and went extinct due to over hunting and the introduction of invasive species like dingos.