Vaporwave: A retro-futuristic subculture that waxes nostalgic for the 1990s while mocking smooth jazz elevator music
The Louisiana Purchase: Napoleon, eager for money to wage war on Britain, sold the land to U.S.–and a British bank financed the sale
The Amazing Colditz Glider: A makeshift plane made by daring British prisoners during WWII to escape to freedom
People used magic to get out of Roman toilets alive and other revelations about daily life in ancient world