The Titanic sank early in the morning of April 15, 1912 after colliding with an iceberg in the North Atlantic. Of 2228 passengers and crewmembers aboard, only 705 survived. The sinking gave rise to a variety of lawsuits against the White Star Line, the Titanic's owners.

On April 15, 1865, Vice-President Andrew Johnson was sworn in as the seventeenth President of the United States, after Abraham Lincoln was assassinated by John Wilkes Booth. Johnson became the first US President to be impeached, but he was not convicted. Learn more about Andrew Johnson and his impeachment from the US Senate.