Johann: Did you mean...?

The discovery of X-rays – a form of invisible radiation that can pass through objects, including human tissue – revolutionised science and medicine in the late 19th century. Wilhelm Conrad Röntgen (1845-1923), a German scientist, discovered...

In response to Martin Luther's 95 Theses, as well as his other works, Pope Leo X sent a papal bull threatening him with excommunication in June 1520. Luther publicly burned the bull at Wittenberg on 10 December 1520 and was officially excommunicated...

The Battle of Trenton (26 December 1776) was an important battle of the American Revolutionary War (1775-1783). On Christmas Day 1776, General George Washington led his Continental Army across the Delaware River to launch a surprise attack...

To the University of Ingolstadt (1523) is an open letter by the German reformer Argula von Grumbach (l. 1490 to c. 1564) protesting the dismissal, arrest, and imprisonment of the young scholar Arsacius Seehofer (l. c. 1504 to c. 1539) for...

Provided to YouTube by Universal Music Group J. Strauss II: An der schönen blauen Donau, Op. 314 · Berliner Philharmoniker · Herbert von Karajan · Johann Strauss II Strauss, J.: An der schönen blauen Donau (The Blue Danube) ℗ 1981...

An oil-on-canvas 1768 portrait of Immanuel Kant (1724-1804) by Johann Gottlieb Becker. (Schiller-Nationalmuseum, Marbach am Neckar, Germany)

The Three Moirai, relief, grave of Alexander von der Mark by Johann Gottfried Schadow. Alte Nationalgalerie, Berlin.

Gustavus Adolphus at the Battle of Breitenfeld, 1631. Painting attributed to Johann Jakob Walther (l. 1604-1677). (Historical Musuem, Strasbourg, France)

Vulcan surprising Venus and Mars in bed before an assembly of the gods, oil on canvas by Johann Heiss, 1679.

An 1850 photograph of the German composer Robert Schumann (1810-1856). Johann Anton Völlner, Hamburg