The “Battle of Hastings” in 1066 led to the Norman conquest of which country?

The Roswell incident is linked to alleged UFO sightings, though officials claimed it was a weather balloon, fueling conspiracy theories.

Montesquieu in *The Spirit of Laws* (1748) emphasized separation of powers, inspiring modern democratic constitutions like the US.

The Great Barrier Reef, the world’s largest coral reef system, lies off Australia’s coast, stretching over 2,300 kilometers.

Karl Marx wrote *Das Kapital* (1867), a critique of capitalism, laying foundations for Marxist economic and political theory.

Frank Gehry designed the Guggenheim Bilbao (opened 1997), noted for its curving titanium forms and revitalization of the city.