The moon is waxing. Morning stars are Mars and Saturn. Evening stars are Jupiter, Mars, Mercury, Uranus and Venus.
In 1850, the city of Los Angeles was incorporated.
In 1887, Susanna Madora Salter was elected as the first female mayor in the United States -- in Argonia, Kan.
In 1933, the USS Akron, a U.S. Navy airship, is destroyed during a major storm off the coast of New Jersey. The tragedy claimed the lives of 73 of the 76 crewmen and passengers.
In 1949, representatives of 12 nations gathered in Washington to sign the North Atlantic Treaty, creating the NATO alliance.In 1968, civil rights leader Martin Luther King, Jr. was assassinated as he stood on the balcony of the Lorraine Motel in Memphis Tenn. He was 39.
In 1975, Microsoft was founded by Bill Gates and Paul Allen.
In 1991, Sen. John Heinz, R-Pa., and six others were killed in the midair collision of a chartered airplane and a helicopter that was inspecting the plane's landing gear near Philadelphia.
In 2005, the president of Kyrgyzstan, Askar Akayev, officially resigned. He had been driven out by a coup a month earlier.
In 2013, Pulitzer Prize-winning Chicago film critic Roger Ebert died after a long battle with cancer. He was 70.
In 2014, the United Nations announced that the millionth refugee from war-torn Syria had entered Lebanon.
In 2017, Syrian government forces kill dozens of civilians in a chemical attack in the rebel-held town of Khan Sheikhoun.
In 2022, SpaceX and Tesla founder Elon Musk announced he bought $2.9 billion worth of Twitter stock, making him the company's largest shareholder. He went on to purchase Twitter in October 2022 for $44 billion.