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Diocletian was Roman emperor from 284 to 305 CE. After the defeat and death of the Roman emperor Philip the Arab in 249 CE, the empire endured over three decades of ineffective rulers. The glory days of Augustus, Vespasian, and Trajan were...

The U-boat, short for Unterseeboot (undersea boat), was the name for submarines used by the German Navy during the First World War (1914-18) and Second World War (1939-45). In the two Battles of the Atlantic, U-boats sank thousands of ships...

Roman constitution was an accumulation of laws, legal decisions, and ancient customs. While today 'constitution' usually refers to a single act of legislation, this was not the case in ancient Rome. Instead, Roman government relied on the...

Xenophon of Athens (l. 430 to c. 354 BCE) was a contemporary of Plato and a fellow student of Socrates. He is best known for his Anabasis (The March Up Country) detailing the retreat of the Ten Thousand Greek mercenaries after the defeat...

Of all the battles of the Texas Revolution, the Battle of the Alamo (6 March 1836) is the most famous. It is not only among the best-known and most widely studied in American history but also around the world. The battle was the culmination...

Field Marshal Bernard Montgomery (1887-1976) was one of Britain's top commnaders in the Second World War (1939-45). He famously defeated Erwin Rommel (1891-1944) at the Second Battle of El Alamein in North Africa in November 1942. Known for...

Marie-Joseph Paul Yves Roch Gilbert du Motier, Marquis de La Fayette (l. 1757-1834), more commonly known in the United States as simply Lafayette, was a French aristocrat, military officer, and politician. He was a major figure in both the...

The centurion (centurio in Latin) was an officer in the Roman army whose experience and valour were a crucial factor in maintaining order on the battlefield and ensuring Rome's military successes spanned over centuries. A centurion commanded...

Charlotte Corday (1768-1793) played a prominent role in the French Revolution (1789-1799) when she assassinated radical activist Jean-Paul Marat in his bathtub on 13 July 1793. Despite her aristocratic background, Corday was an avowed republican...

Antonio López de Santa Anna (1794-1876) was a general, politician, and six-time president of Mexico. Although he is best-known in the United States for the role he played in the Texas Revolution, the Battle of the Alamo, the Goliad Massacre...