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Former MI6 spy Sergei Skripal and his daughter are poisoned with a Novichok nerve agent in Salisbury, England, causing a diplomatic uproar that results in mass-expulsions of diplomats from all countries involved.
Joshua Slocum, the first person to sail single-handedly around the world, sets sail from Boston, Massachusetts aboard the sloop "Spray".
The Nea Ekklesia is inaugurated in Constantinople, setting the model for all later cross-in-square Orthodox churches.
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