Moscow was mentioned for the very first time in historical records when two princes met there for a great banquet.
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Adolf Hitler's German military attacked Moscow.
Chemical elements Moscovium, Tennessine, and Oganesson were added to the Periodic Table of Elements.
Seventeen people went on trial in the second Moscow Trials.
The Moscow Metro was opened to the public.
The 14th IAAF World Championships opened in Moscow, Russia.
