Frederick I Barbarossa: Did you mean...?

Frederick II (l. 1194-1250 CE) was the king of Sicily (r. 1198-1250 CE), Germany (r. 1215-1250 CE), Jerusalem (r. 1225-1228 CE), and also reigned supreme as the Holy Roman Emperor (r. 1220-1250 CE). He was born in Jesi in 1194 CE but spent...

Adolf Hitler (1889-1945), leader of Nazi Germany, attacked the USSR on 22 June 1941 with the largest army ever assembled. The Axis offensive of June-December 1941 was code-named Operation Barbarossa ('Redbeard') after Frederick Barbarossa...

The Sixth Crusade (1228-1229 CE), which for many historians was merely the delayed final chapter of the unsuccessful Fifth Crusade (1217-1221 CE), finally saw the Holy Roman Emperor Frederick II (r. 1220-1250 CE) arrive with his army in the...

The names of John Lloyd Stephens and Frederick Catherwood are forever linked to the Maya and Mayan studies as the two great explorers who documented the ruins from Copan in the south to Chichen Itza in the north. The stories told by Stephens...

The Holy Roman Empire officially lasted from 962 to 1806. It was one of Europe’s largest medieval and early modern states, but its power base was unstable and continually shifting. The Holy Roman Empire was not a unitary state, but a confederation...

The Third Crusade (1189-1192 CE) was launched to retake Jerusalem after its fall to the Muslim leader Saladin in 1187 CE. The Crusade was led by three European monarchs, hence its other name of 'the Kings' Crusade'. The three leaders were...

This image, a miniature from the "Welfenchronik" (History of the Guelphs), which dates to the late twelfth century CE, shows Frederick I Barbarossa (r. 1152-1190 CE), flanked by his sons.

The Schmalkaldic War (1546-1547) was fought between the Protestant Schmalkaldic League and the Catholic armies under Charles V, Holy Roman Emperor, who, having failed to achieve religious unity of his subjects at the Diet of Augsburg in 1530...

This map illustrates the unfolding of Operation Barbarossa, the code name for Nazi Germany's invasion of the Soviet Union, launched on June 22, 1941 during the Second World War (1939-45). It was the largest military operation in history...

A photograph showing a burning Russian village during Operation Barbarossa, the attack by Adolf Hitler (1889-1945) on the USSR from June to December 1941. (Imperial War Museums)