Associated Press

On Feb. 26, 1942, “How Green Was My Valley” won the Academy Award for Best Picture of 1941, beating out nine other films, including “The Maltese Falcon” and “Citizen Kane.”

In 1945, authorities ordered a midnight curfew at nightclubs, bars and other places of entertainment across the nation.

In 1966, South Korean troops sent to fight in the Vietnam War massacred at least 380 civilians in Go Dai hamlet.

In 2005, Egyptian President Hosni Mubarak ordered his country’s constitution changed to allow presidential challengers in an upcoming fall election.

In 2012, Trayvon Martin, 17, was shot to death in Sanford, Florida, during an altercation with neighborhood watch volunteer George Zimmerman, who said he acted in self-defense. (Zimmerman was later acquitted of second-degree murder.)