Editing 1717 (section)

=== July&ndash;September ===
* [[July 17]] &ndash; ''[[Water Music]]'' by [[George Frederick Handel]] is first performed, on a [[Thames]] barge in [[London]].
* [[August 17]] &ndash; The month-long [[Siege of Belgrade (1717)|Siege of Belgrade]] ends, with [[Prince Eugene of Savoy]]'s [[Austria]]n troops capturing the city from the [[Ottoman Empire]].
* [[August 22]] &ndash; Spanish troops arrive on the island of [[Sardinia]], at this time a part of the [[Holy Roman Empire]], beginning [[Spanish conquest of Sardinia|the conquest of the island]], completed by October 30.
* [[September 5]] &ndash; King [[George I of Great Britain]] issues the "[[Proclamation for Suppressing of Pirates in the West Indies]]", an offer of [[amnesty]] to [[Golden Age of Piracy|pirates]], declaring that any pirates who surrender themselves to the government of Britain or one of its overseas territories, on or before September 5, 1718, "shall have Our Gracious Pardon of and for his or their Piracy or Piracies" committed before January 5, 1718.  The amnesty is later extended to July 1, 1719.<ref>''British Royal Proclamations Relating to America, 1603-1783'', ed. by Clarence S. Brigham (Burt Franklin, 1968) pp. 176-177</ref>
* [[September 21]] &ndash; The first known Druid revival ceremony is held by [[John Toland]] at [[Primrose Hill]], in [[London]], at the [[Autumn equinox (Northern Hemisphere)|Autumnal Equinox]], to found the Mother Grove, what will later become the [[Ancient Order of Druids]].
* [[September 29]] &ndash; [[1717 Guatemala earthquake|Guatemala earthquake]]: A 7.4 magnitude [[earthquake]] strikes [[Antigua Guatemala]], destroying much of the city, and making authorities consider moving the capital of [[Guatemala]] to a different location.