Editing 1745 (section)

=== January&ndash;March ===
* [[January 7]] &ndash; [[War of the Austrian Succession]]: The [[Habsburg monarchy|Austrian]] Army, under the command of Field Marshal [[Károly József Batthyány]], makes a surprise attack at [[Amberg]] and the winter quarters of the [[Electorate of Bavaria|Bavarian Army]], and scatters the Bavarian defending troops, then captures the Bavarian capital at [[Munich]]<ref>"War of the Austrian Succession (1740-1748)", in ''Wars That Changed History: 50 of the World's Greatest Conflicts: 50 of the World's Greatest Conflicts'', ed. by Spencer C. Tucker (ABC-CLIO, 2015) p214</ref>
* [[January 8]] &ndash; The [[Treaty of Warsaw (1745)|Quadruple Alliance treaty]] is signed at [[Warsaw]] by Great Britain, Austria, the Dutch Republic and the Duchy of Saxony.<ref>"Treaty of Quadruple Alliance", ''International Military Alliances, 1648-2008'', ed. by Douglas M. Gibler (Congressional Quarterly Press, Oct 15, 2008) p94</ref>
* [[January 20]] &ndash; Less than two weeks after the disastrous Battle of Amberg leaves Bavaria undefended, the electorate's ruler (and [[Holy Roman Emperor]]) [[Charles VII, Holy Roman Emperor|Karl VII Albrecht]] dies from gout at the age of 47, leaving the [[duchy]] without an adult to lead it. His 17-year-old son, [[Maximilian III Joseph, Elector of Bavaria|Maximilian III Joseph]], signs terms of surrender in April.
* [[February 22]] &ndash; The ruling white colonial government on the island of [[Jamaica]] foils a conspiracy by about 900 black slaves, who had been plotting to seize control and to massacre the white residents.<ref>William Reed, ''The History of Sugar and Sugar-yielding Plants'' (Longmans, Green, and Co., 1866) p50</ref>
* [[February 23]] &ndash; The royal wedding of the Crown Prince of France takes place at [[Versailles]]; [[Louis, Dauphin of France (son of Louis XV)|the Dauphin Louis Ferdiand]], eldest son of [[Louis XV of France|King Louis XV]], is united in marriage to Princess [[Maria Teresa Rafaela of Spain]], daughter of [[Philip V of Spain|King Felipe V]].<ref>Marion F. Godfroy, ''Kourou and the Struggle for a French America'' (Springer, 2015) p193</ref>  The Dauphin never takes the throne, dying in 1765, eight years before the death of his father.
* [[February 27]] &ndash; [[Pierre Bouguer]] appears before the French Academy of Sciences to deliver his report of the data gathered in the [[French Geodesic Mission]], including the first precise measurement of the Earth's circumference.<ref>Larrie D. Ferreiro, ''Measure of the Earth: The Enlightenment Expedition That Reshaped Our World'' (Basic Books, 2011) p253</ref>  His determination that the circumference is {{convert|24854.85|mi}} and that the distance from the pole to equator is roughly {{convert|6214|mi}} eventually leads to the Academy's calculation of the [[metre]] and the metric system.
* [[March 1]] &ndash; [[Augustus III of Poland|Augustus III]], the [[King of Poland]] and [[Elector of Saxony]], declares his candidacy to become the next [[Holy Roman Emperor]], but loses in September to [[Francis I, Holy Roman Emperor|Francis, Duke of Tuscany]].<ref name=Fragile>Maureen Cassidy-Geiger, ''Fragile Diplomacy'' (Yale University Press, 2007) p66-74</ref>