December 1984: The Last Time Man United Lost After Leading By Two Goals, 10 Facts Of The Time

4) Elsewhere that year, the first Teenage Mutant Ninja Turtles comic book went on sale in 1984. The pizza-eating, crime-fighting ninjas were created by artists Peter Laird and Kevin Eastman, who began a tiny publishing company out of Laird’s living room.

3) Russian programmer Alexey Pajitnov released the first version of Tetris in June. The game featured seven tetrominos descending from the top of the screen, to form a sort of jigsaw-puzzle stack at the bottom.