What Have We Learned, Charlie Brown? (1983)

'What Have We Learned, Charlie Brown? A Tribute' is the 26th prime-time animated television special based upon the comic strip Peanuts, by Charles M. Schulz, who introduced the special. It originally aired on the CBS network on May 30, 1983, Memorial Day in the United States, and one week prior to the 39th anniversary of the D-Day Invasion. It aired on CBS only one other time, on May 26, 1984, which was the Saturday before Memorial Day, and ten days prior to the 40th anniversary of the D-Day Invasion.

Storyline
On their return trip through France, Charlie Brown and the gang visit various memorials to the World Wars.