July 20th 1969
Neil Armstrong and Edwin Buzz Aldrin become the first men to walk on the Moon. The astronauts [-----1-----] during the Apollo XI Mission.
"That's one small step for man, one giant leap for mankind."
Armstrong and Aldrin collect nearly 50 pounds of lunar samples before leaving the Moon.

1976
America's Viking 1 robot spacecraft makes the first landing of its kind on Mars. It's one of 2 Viking Landers to transmit the first pictures from the surface of the red planet.

1944
Nazi Germany's dictator Adolf Hitler is wounded when a bomb explodes at his eastern front headquarters during WWII. It's a [-----2-----] by German military officials to assassinate Hitler who takes his own life the following year as Soviet forces enter Berlin.

1919
Mountain climber Edmund Hillary is born in Auckland, New Zealand. Hillary and Tenzing Norgay were the first to [-----3-----], the world's highest mountain in Asia's Himalayas.

And 1947
Carlos Santana, the guitarist and songwriter [-----4-----] is born in Mexico.

Today in History, July 20th. Tim Maguire, the Associated Press.