British Prime Minister Boris Johnson was taken to hospital after testing positive for COVID-19.
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One hundred thousand rioters gathered at Tiananmen Square in Beijing to protest against the Chinese government.
Jacob Roggeveen discovered Easter Island.
American Indian princess Pocahontas married English tobacco planter, John Rolfe.
Pope Paschal I crowned Lothair I as the Emperor of Italy.
The US Air Force accidentally bombed the Belgian town of Mortsel.
