Today is the 91st day of 2015 and the 13th day of spring.
TODAY'S HISTORY: In 1826, Samuel Moray received the patent for the first internal combustion engine.
In 1945, Operation Iceberg began as U.S. troops landed on the Japanese island of Okinawa.
In 1970, President Richard Nixon signed the Public Health Cigarette Smoking Act, which required the surgeon general's warning on tobacco products and banned cigarette ads on radio and TV.
In 2011, a mob protesting the burning of the Quran attacked the United Nations compound in Mazar-i-Sharif, Afghanistan, causing the deaths of 13 people.
TODAY'S BIRTHDAYS: Otto von Bismarck (1815-1898), German political leader; Edmond Rostand (1868-1918), playwright; Sergei Rachmaninoff (1873-1943), composer; Milan Kundera (1929- ), author; Debbie Reynolds (1932- ), actress; Ali MacGraw (1939- ), actress; Samuel Alito (1950- ), Supreme Court justice; Rachel Maddow (1973- ), TV personality; Hillary Scott (1986- ), singer-songwriter; Asa Butterfield (1997- ), actor.
TODAY'S FACT: Two monumental innovations in meteorology occurred on April 1: In 1875, Francis Galton published the first newspaper weather map; in 1960, TIROS-1, the first weather satellite, was launched from Cape Canaveral, Florida.
TODAY'S SPORTS: In 1985, the eighth-seeded Villanova Wildcats defeated the top-seeded and heavily favored Georgetown Hoyas 66-64 in the NCAA championship game.
TODAY'S QUOTE: "My soul, be satisfied with flowers, /
With fruit, with weeds even; but gather them /
In the one garden you may call your own." -- Edmond Rostand, "Cyrano de Bergerac"
TODAY'S NUMBER: $731.54 billion -- value of Apple Inc. in March 2015. The company was founded in Cupertino, California, by Steve Jobs, Steve Wozniak and Ronald Wayne on this day in 1976.
TODAY'S MOON: Between first quarter moon (March 27) and full moon (April 4).