On This Day in History - April 20
| Discover today's historical events and the facts. Listed here the time line of events that happened on this day in history
| Click on the date from the below calendar to know the historical events happened on that particular day.
|What Happened On This Day In History - April 20
1972 April 20
The Apollo 16 landed on the Moon. It was the fifth mission to land on the moon.
2010 April 20
BP's Deepwater Horizon offshore oil rig exploded in the Gulf of Mexico.
2011 April 20
China releases two prominent human rights lawyers, Liu Xiaoyuan and Jiang Tianyong.
2012 April 20
Tens of thousands of people demonstrate in Tahrir Square against continuing military rule in Egypt.