Beyoncé and Jay-Z married with only 40 guests present on their special day.
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US Congress released a US flag that featured 20 stars and 13 red and white stripes.
Bill Gates and Paul Allen founded Microsoft.
New York City's Twin Tower World Trade Center was officially opened.
Jack Ma founded Alibaba Group Holding Limited.
Adolf Hitler formed the Schutzstaffel, the infamous paramilitary organization known to most as the SS.
