Oct. 2, 1950: The very first Peanuts comic strip and the first time Charlie Brown is called "Good Ol' Charlie Brown."

Dec. 29, 1950: The first time Charlie Brown wears his trademark shirt.

Dec. 3, 1952: The first time Charlie Brown is called "wishy-washy."

April 6, 1953: The first time Charlie Brown's hat is knocked off by a baseball.

Nov. 20, 1954: Charlie Brown and Lucy appear at the wall for the first time.

April 12, 1956: The first time a tree eats Charlie Brown's kite

June 9, 1958: The first time Charlie Brown is called a blockhead.