Today in History - April 15

Today's Highlight in History:

In the early hours of April 15, 1912, the British luxury liner RMS Titanic sank in the North Atlantic off Newfoundland, less than three hours after striking an iceberg. Some 1,500 people died.

On this date:

In 1817, the first American school for the deaf opened in Hartford, Conn.

In 1850, the city of San Francisco was incorporated.

In 1861, three days after the Confederate attack on Fort Sumter, S.C., President Lincoln declared a state of insurrection and called out Union troops.

In 1865, President Lincoln died, several hours after being shot at Ford's Theater in Washington by John Wilkes Booth. Andrew Johnson became the nation's 17th president.

In 1945, during World War II, British and Canadian troops liberated the Nazi concentration camp Bergen-Belsen.

In 1947, Jackie Robinson, baseball's first black major league player, made his official debut with the Brooklyn Dodgers on opening day. (The Dodgers defeated the Boston Braves, 5-3.)