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History & Culture
Events, traditions, movements, books, and works that shaped shared memory. Browse the reference entries for useful context, or start a mystery and see how quickly your questions can cut through the possibilities.

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American Revolution
↗The American Revolution was the political movement and war through which thirteen British colonies established the independent United States.

Ancient Olympic Games
↗The Ancient Olympic Games were a recurring Greek athletic and religious festival held at Olympia in honor of Zeus.

Apollo 11
↗The 1969 spaceflight that carried the first humans to the Moon’s surface.
Chernobyl Disaster
↗The April 26, 1986 reactor Unit 4 explosion and fire at the Chernobyl Nuclear Power Plant (near Pripyat, then Ukrainian SSR) that released large amounts of radioactive material, caused acute casualties among workers, forced evacuations, and produced long-term health, environmental and social consequences.

Fall of the Berlin Wall
↗The fall of the Berlin Wall was the November 1989 opening of border crossings that had divided East and West Berlin for decades.

Renaissance
↗The Renaissance was a European cultural movement marked by renewed interest in classical learning, artistic experimentation, humanism, and investigation of the natural world.

Titanic Disaster
↗The Titanic disaster was the 1912 sinking of a passenger liner after it struck an iceberg during its maiden Atlantic voyage.

World War II
↗World War II was a global conflict fought from 1939 to 1945 between the Allied powers and the Axis powers.