On this day in History - April 15

1912 – The British passenger liner RMS Titanic sinks in the North Atlantic at 2:20 a.m., two hours and forty minutes after hitting an iceberg. Only 710 of 2,224 passengers and crew on board survive.

1947 – Jackie Robinson debuts for the Brooklyn Dodgers, breaking baseball’s color line.

2013 – Two bombs explode near the finish line at the Boston Marathon in Boston, Massachusetts, killing three people and injuring 264 others.