Moscow was mentioned for the very first time in historical records when two princes met there for a great banquet.
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Martin Luther King Jr. was assassinated.
NASA's Challenger Space Shuttle was launched from Florida on its maiden voyage.
Adolf Hitler formed the Schutzstaffel, the infamous paramilitary organization known to most as the SS.
US Congress released a US flag that featured 20 stars and 13 red and white stripes.
Finland officially joined NATO, becoming the 31st member of the security alliance.
