The actor who was inside R2-D2 hated the guy who played C-3PO.
Barbarian tribes, particularly the Gauls and Celts, used lime to bleach their hair and to hold it in place.
No bears are native to the continent of Australia. (The Koalas aren't bears, but marsupials.)
Crossword puzzles became such a hit in the mid-1920s that women’s fashion adopted the motif, printing grids on clothes, shoes, and jewelry.