Political novice Emmanuel Macron will face far-right populist Marine Le Pen in a presidential runoff May 7. Here's what to know about France's presidential election so far.
The Library of Congress is established, spaceflight claims its first human casualty, the Unabomber kills his last victim, and South Korea clones a puppy, all on this day.
Click on to see which 10 countries spend the most on health care per person, according to a new study from the medical journal The Lancet.
Shakespeare dies, the first public school in the U.S. opens, Wrigley Field opens, The Rolling Stones release "Sticky Fingers," Coca-Cola releases New Coke, and the first YouTube video is uploaded, all on this day.