US Congress released a US flag that featured 20 stars and 13 red and white stripes.
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Beyoncé and Jay-Z married with only 40 guests present on their special day.
Moscow was mentioned for the very first time in historical records when two princes met there for a great banquet.
Martin Luther King Jr. was assassinated.
The Declaration of Breda document was issued by the exiled King Charles II of England.
Adolf Hitler formed the Schutzstaffel, the infamous paramilitary organization known to most as the SS.