Editing 1780 (section)

=== April&ndash;June ===
* [[April 16]] &ndash; The [[University of Münster]] in [[Münster]], [[North Rhine-Westphalia]], Germany is founded.
* [[April 29]] &ndash; [[American Revolutionary War]]: The Spanish commander of the [[Fortress of the Immaculate Conception]] on the [[San Juan River (Nicaragua)|San Juan River]] in modern-day Nicaragua surrenders it to the British [[San Juan Expedition (1780)|San Juan Expedition]].
* [[May 4]] &ndash; The first [[Epsom Derby]] horse race is run on Epsom Downs, [[Surrey]], England.<ref name="Cassell's Chronology_333">{{cite book|last=Williams|first=Hywel|title=Cassell's Chronology of World History|url=https://archive.org/details/cassellschronolo0000will/page/333|url-access=registration|location=London|publisher=Weidenfeld & Nicolson|year=2005|isbn=0-304-35730-8|pages=[https://archive.org/details/cassellschronolo0000will/page/333 333]}}</ref> The victor is ''[[Diomed]]''.<ref name="Pocket On This Day">{{cite book|title=Penguin Pocket On This Day|publisher=Penguin Reference Library|isbn=0-14-102715-0|year=2006}}</ref>
* [[May 12]] &ndash; [[American Revolutionary War]]: [[Charleston, South Carolina]] is taken by British forces after [[Siege of Charleston|44 days of siege]].
* [[May 13]] &ndash; The [[Cumberland Compact]] is signed by American settlers, in the Cumberland Valley of Tennessee.
* [[May 19]] &ndash; [[New England's Dark Day]]: An unaccountable darkness spreads over [[New England]], regarded by some observers as a fulfillment of [[Bible]] prophecy.<ref>{{cite book|title=Facts for the Times: Containing Historical Extracts, Candid Admissions, and Important Testimony from Eminent Authors, Ancient and Modern on the Leading Topics of the Scriptures and Signs of the Times|publisher=Review and Herald Publishing|year=1893|page=66}}</ref><ref>{{cite book|first=Susan|last=Juster|title=Doomsayers: Anglo-American Prophecy in the Age of Revolution|publisher=University of Pennsylvania Press|year=2010|page=223}}</ref>
* [[May 29]] &ndash; American Revolutionary War &ndash; [[Waxhaw Massacre]]: [[Loyalist (American Revolution)|Loyalist]] forces under Colonel [[Banastre Tarleton]] kill surrendering [[Patriot (American Revolution)|American]] soldiers.
* [[June 2]] &ndash; An [[Anti-Catholic]] mob led by [[Lord George Gordon]] marches on the [[Parliament of Great Britain]], leading to the outbreak of the [[Gordon Riots]] in [[London]].<ref name="Pocket On This Day"/>
* [[June 7]] &ndash; The [[Gordon Riots]] in London are ended by the intervention of troops. About 285 people are shot dead, with another 200 wounded and around 450 arrested.
* [[June 23]] &ndash; [[American Revolutionary War]] &ndash; [[Battle of Springfield (1780)|Battle of Springfield]]: The [[Continental Army]] defeats the British in [[New Jersey]].