| December 17th 0283 | | St Gaius begins his reign as Catholic Pope
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| December 17th 1526 | | Ferdinand of Austria chosen as King of Bohemia
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| December 17th 1526 | | Pope Clemens VII publishes degree Cum ad zero - forms Inquisition
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| December 17th 1538 | | Pope Paul III excommunicated England's King Henry VIII
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| December 17th 1572 | | Spanish army begins fires in Haarlem Netherlands
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| December 17th 1587 | | Earl Leicesters army leaves Netherlands
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| December 17th 1638 | | French/Swedish troops occupy Breisach on the Rhine
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| December 17th 1718 | | England declares war on Spain
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| December 17th 1728 | | Congregation Shearith Israel of NY purchases a lot on Mill Street in lower Manhattan, to build NY's 1st synagogue
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| December 17th 1745 | | Bonnie Prince Charles army retreats to Scotland
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| December 17th 1777 | | George Washingtons army returns to Valley Forge Pa
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| December 17th 1777 | | France recognizes independence of English colonies in America
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| December 17th 1788 | | Russian army of Grigorij Potemkin occupies Och rov
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| December 17th 1790 | | Aztec calendar stone discovered in M‚xico City
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| December 17th 1791 | | NYC traffic regulation creates 1st 1-way street
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