Today is the 89th day of 2016 and the 10th day of spring.
TODAY'S HISTORY: In 1867, the Dominion of Canada was established.
In 1951, Ethel and Julius Rosenberg were convicted of conspiracy to commit espionage.
In 1973, the last U.S. troops left South Vietnam, bringing an end to direct U.S. military involvement in the Vietnam War.
In 1999, the Dow Jones Industrial Average closed above 10,000 (10,006.78) for the first time.
TODAY'S BIRTHDAYS: John Tyler (1790-1862), 10th U.S. president; Denton True "Cy" Young (1867-1955), baseball player; Sam Walton (1918-1992), Wal-Mart founder; Eric Idle (1943- ), actor/comedian; Walt Frazier (1945- ), basketball player; Earl Campbell (1955- ), football player; Brendan Gleeson (1955- ), actor; Amy Sedaris (1961- ), author/actress; Elle Macpherson (1964- ), supermodel/actress; Lucy Lawless (1968- ), actress; Robert Gibbs (1971- ), political adviser; Lara Logan (1971- ), journalist; Jennifer Capriati (1976- ), tennis player.
TODAY'S FACT: NASA's Mariner 10 space probe was the first spacecraft to complete a flyby of Mercury. The first of its three encounters with the planet took place on this day in 1974.
TODAY'S SPORTS: In 1999, Wayne Gretzky (then of the New York Rangers) scored his last professional goal, bringing his career total to an NHL-record 894.
TODAY'S QUOTE: "Popularity, I have always thought, may aptly be compared to a coquette -- the more you woo her, the more apt is she to elude your embrace." -- John Tyler
TODAY'S NUMBER: 35.9 million -- estimated population of Canada in July 2015.
TODAY'S MOON: Between full moon (March 23) and last quarter moon (March 31).