On this day:

1976 Frenchman Jacques Mayol, also known as Dolphin Man, becomes the first person to dive 100 meters in the sea without breathing equipment

2005 2011 Nobel Peace Prize winner Ellen Johnson Sirleaf elected as President of Liberia. She is also the first woman to be elected as head of state in an African country

Born on this day:

912 Otto I, Holy Roman Emperor

Gone on this day:

1990 Roald Dahl, English pilot, author, screenwriter