Frederick I Barbarossa: Did you mean...?

The Mongol invasions of Russia and Eastern Europe occurred first with a brief sortie in 1223 CE and then again in a much larger campaign between 1237 CE and 1242 CE. The Mongols, seemingly coming from nowhere and quickly gaining a reputation...

The Battle of Stalingrad (now Volgograd, July 1942 to February 1943) was an attempt by Adolf Hitler (1889-1945) to control the USSR's access to the Caucasus oil fields. Fierce street-fighting by the Soviet Red Army saw the city withstand...

The Red Army of the USSR began the Second World War (1939-45) with a series of shocking defeats, but from late 1942, it rallied and held on to key cities like the capital Moscow, Leningrad (Saint Petersburg), and Stalingrad (Volgograd). Then...

Spanning across three continents and holding dominance over the Black and Mediterranean Seas, the Ottoman Sultanate (1299-1922) was a global military superpower between the 15th and 17th centuries. From the point of its inception in 1299...

Hildegard of Bingen (also known as Hildegarde von Bingen, l. 1098-1179) was a Christian mystic, Benedictine abbess, and polymath proficient in philosophy, musical composition, herbology, medieval literature, cosmology, medicine, biology...

The Battle of Hattin in July 1187 CE in present-day Israel was one of the great victories of Saladin, the Sultan of Egypt and Syria (r. 1174-1193 CE). The army of the Kingdom of Jerusalem and its Latin allies were totally defeated and, shortly...

The Castles of Bellinzona are a set of three medieval fortifications located in and surrounding the city of Bellinzona, which is located in Canton Ticino, Switzerland. These castles are the only remaining examples in the Alpine region of...

Artillery weapons in medieval Europe included the mounted crossbow (ballista) and single-arm torsion catapult (mangonel), both similar to ancient Roman machines. As armies battled further afield such as in the Byzantine Empire and against...

The Underground Railroad was a decentralized network of White abolitionists, free Blacks, former slaves, Mexicans, Native Americans, and others opposing slavery in the United States who established secret routes and havens to help slaves...

The German Peasants' War (1524-1525) was a conflict between the lower class of the Germanic region of the Holy Roman Empire and the nobility over the feudal system of serfdom, religious freedom, and economic disparity. It was later characterized...