On this day in 1516, the Reinheitsgebot, a Bavarian beer purity law, was adopted.

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On this day in 1915, Germany released chlorine gas during the Second Battle of Ypres, markin the first effective use of poison gas on the Western Front.

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On this day in 1934, the Daily Mail published a photo of what was allegedly the Loch Ness Monster.

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On this day in 1946, the League of Nations was dissolved.

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On this day in 1861, a riot broke out in Baltimore, Maryland, between Confederate sympathizers and state militia regiments on their way to Washington, D.C.

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On this day in 1980, the colony of Southern Rhodesia gained independence from Britain and became Zimbabwe.

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On this day in 1951, Peak District National Park was established.

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On this day in 1853, the Great Indian Peninsula Railway opened the first commercial passenger train service in India.

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On this day in 1970, the crew of Apollo 13 set a world record when they reached the farthest distance humans have ever been from Earth.

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On this day in 1816, the largest slave uprising in Barbados began.

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