On this day in 1936, generators at Boulder Dam (later renamed to Hoover Dam), began to generate electricity from the Colorado River and transmit it 266 miles to Los Angeles.
On this day in 1944, the United States, the United Kingdom, the Soviet Union and the Republic of China promulgated a draft for the Charter of the United Nations.
On this day in 1986, the musical The Phantom of the Opera received its first performance at Her Majesty's Theatre in London.