On This Day🌄 May7

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1697 – Stockholm's royal castle, dating back to the 13th century, was destroyed in a huge fire; the blueprint for the current royal palace was presented within a year.

1895 – Alexander Stepanovich Popov (pictured) presented his radio receiver, refined as a lightning detector, to the Russian Physical and Chemical Society.

1931 – New York City Police engaged in a two-hour-long shootout with Francis Crowley that was witnessed by 15,000 bystanders before he finally surrendered.

1960 – Cold War: Soviet leader Nikita Khrushchev announced that his country was holding American pilot Francis Gary Powers, whose spy plane was shot down over the Soviet Union six days earlier.

2010 – A team of researchers presented a complete draft sequence of the Neanderthal genome, demonstrating that today's modern humans have Neanderthal ancestors.