Duchy of Warsaw: 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...

Giuseppe Verdi (1813-1901) was an Italian composer best known for operas such as Rigoletto, La traviata, and Aida. Verdi is noted for his powerful scores and strong characters where anti-heroes lead the dramatic action through often complex...

Robert Guiscard (1015-1085) was a Norman knight best known for conquering much of Southern Italy and Sicily during the 11th century. His many exploits include the expulsion of the Byzantines from Italy, support of a reformist papacy, and...

Mont-Saint-Michel is the name of a tidal island located off the coasts of Normandy and Brittany, near the mouths of the Couesnon River and the town of Avranches in France. While the island of Mont-Saint-Michel has held cultural, religious...

Jean Sibelius (1865-1957) was a Finnish composer famous for his symphonies, the symphonic poem Finlandia, and the Karelia Suite. Although Sibelius inspired a music revival in his native country, became a figurehead for the Finnish nationalist...

Mary of Guise (aka Marie de Lorraine, 1515-1560) was a French noblewoman who became the second wife of James V of Scotland (r. 1513-1542). With the premature death of her husband, her daughter Mary, Queen of Scots (r. 1542-1567) became queen...

William II of England, sometimes called William 'Rufus' for his red hair and complexion, reigned as the king of England from 1087 to 1100 CE. The son of William the Conqueror (r. 1066-1087 CE), the younger William was loyal to his father...

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...

Blitzkrieg ('lightning war') is a military tactic combining air and land forces deployed at speed against the enemy's weaker points while the rear lines are simultaneously disrupted by acts of sabotage and bombing. Speed, concentration, and...

The Nazi-Soviet Pact, also called the Molotov-Ribbentrop Pact after the respective foreign ministers of the USSR and Germany, was a non-aggression agreement signed in August 1939. The pact allowed the leader of Nazi Germany Adolf Hitler (1889-1945...