Today is the 143rd day of 2016 and the 64th day of spring.
TODAY'S HISTORY: In 1807, former vice president Aaron Burr was indicted for treason.
In 1872, President Ulysses S. Grant signed the Amnesty Act into law, restoring full rights to nearly all Confederate sympathizers.
In 1947, President Harry Truman signed the Truman Doctrine, appropriating military and economic aid for Greece and Turkey to combat the spread of communism.
In 2011, a tornado struck Joplin, Missouri, claiming an estimated 161 lives and destroying nearly 7,000 houses.
TODAY'S BIRTHDAYS: William Sturgeon (1783-1850), physicist/inventor; Richard Wagner (1813-1883), composer; Mary Cassatt (1844-1926), artist; Arthur Conan Doyle (1859-1930), physician/author; Herge (1907-1983), cartoonist; Laurence Olivier (1907-1989), actor/director; Charles Aznavour (1924- ), singer-songwriter/actor; Morrissey (1959- ), singer-songwriter; Naomi Campbell (1970- ), model/actress; Ginnifer Goodwin (1978- ), actress; Apolo Ohno (1982- ), speed skater.
TODAY'S FACT: Abraham Lincoln remains the only president to have received a U.S. patent. His invention, a device for lifting boats over obstruction in rivers, was patented on this day in 1849.
TODAY'S SPORTS: In 2003, Annika Sorenstam became the first woman golfer since Babe Didrikson Zaharias in 1945 to officially compete against men at a PGA tour event.
TODAY'S QUOTE: "Life is infinitely stranger than anything which the mind of man could invent." -- Sir Arthur Conan Doyle, "A Case of Identity"
TODAY'S NUMBER: 4,531 -- episodes of NBC's "The Tonight Show" hosted by Johnny Carson, who began his tenure as host in 1962. Carson hosted his final show on this day in 1992.
TODAY'S MOON: Between full moon (May 21) and last quarter moon (May 29).