Heidelberg

large city in Baden-Württemberg, Germany

10 dated entries naming Heidelberg, drawn from 9 separate years between 1390 CE and 1884 CE. Nothing here is written by us: each line is the sentence a Wikipedia year article used, and the link beside it opens the exact revision.

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14th century

1390February 16 – At Heidelberg (now in Germany) Ruprecht II of the House of Wittelsbach becomes the new Elector of the Palatinate in the Holy Roman Empire upon the death of his uncle, Rupert I.source

15th century

1436December 30 – In the Holy Roman Empire, at Heidelberg, 13-year-old Ludwig IV of Wittelsbach becomes the new Elector of Palatine, one of the seven imperial electors and ruler of the Rhineland, upon the death of his father, Ludwig III. During his minority, Ludwig IV is guided by his uncle and guardian, Otto of Mosbach.source

16th century

1518April 26 – Martin Luther makes the first public defense of his views at a gathering of the Roman Catholic order of Augustinians, at what becomes known as the Heidelberg Disputation at a lecture hall at Heidelberg in the Electoral Palatinate in Germany. While there, he is challenged to a theological debate by Johann Eck, the German leader of the anti-Reformation movement.source
1544March 16 – Friedrich II becomes the new Elector Palatine of Germany's Rhineland within the Holy Roman Empire upon the death of his brother Ludwig V at Heidelberg.source
1576October 26 – In Germany, Ludwig of Simmern becomes the new Elector Palatine of the Rhine 10 days after the death of his father, Frederick III, taking office at the Palatinate capital at Heidelberg as Ludwig VI.source

17th century

1622July 13 – Thirty Years' War: After Mansfeld fails to relieve the siege of Heidelberg, Frederick V of the Palatinate cancels Mansfeld's contract and disbands his army. The unemployed army of Mansfeld and Christian the Younger of Brunswick is subsequently hired by the Dutch.source
1622September 19 – Thirty Years' War: Heidelberg, the capital of the Electorate of the Palatinate, is taken by the Imperial army of Tilly' after a three-month siege.source
1689March 2 – Nine Years' War: As French forces leave, they set fire to Heidelberg Castle, and the nearby town of Heidelberg.source
1693May 18 – Forces of Louis XIV of France attack Heidelberg, capital of the Electorate of the Palatinate.source

19th century

1884September 15 – The invention of local anesthesia by ophthalmologist Karl Koller is made public at a medical congress in Heidelberg, Germany.source