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Supermarine Spitfire
The Supermarine Spitfire was a single-seater fighter plane, one of the most important aircraft of the Second World War (1939-45). Employed by the Royal Air Force in such crucial encounters as the Battle of Britain in the summer...
Definition
Aristarchus of Samos
Aristarchus of Samos (l. c. 310 - c. 230 BCE) was a Greek astronomer who first proposed a heliocentric model of the universe in which the sun, not the earth, was at the center. Although his theory was noted by other thinkers...
Definition
Legio II Augusta
Legio II Augusta was a legion of the Roman army that, throughout its centuries-long history, had fought in the Cantabrian Wars of 29-19 BCE, Germanicus' German campaigns in 9 CE, the invasion of Britain in 43 CE, and Septimus...
Definition
Pezhetairoi
The pezhetairoi (foot companions) were part of the imposing army that accompanied the Macedonian commander Alexander the Great (r. 336-323 BCE) when he crossed the Hellespont to face the Persian king Darius III in 334 BCE. Armed with...
Definition
London Blitz
The London Blitz was the sustained bombing of Britain's capital by the German and Italian air forces from September 1940 to May 1941 during the Second World War (1939-45). The objective was to bomb Britain into submission, but despite...
Definition
Trephination
Trephination (also known as trepanning or burr holing) is a surgical intervention where a hole is drilled, incised or scraped into the skull using simple surgical tools. In drilling into the skull and removing a piece of the bone...
Definition
Morning Star (Dull Knife) - Eastman's Biography
Morning Star (Vooheheve, l. c. 1810-1883, better known as Dull Knife) was a Northern Cheyenne chief who led his people in resistance to the US government's policies of genocidal westward expansion. He...
Definition
Black Kettle
Black Kettle (Mo-ta-vato/Mo'ohtavetoo'o, l. c. 1803-1868) was a chief of the Southern Cheyenne who became famous as a "peace chief" – seeking peaceful relations with the US government – as opposed to war chiefs such as Roman Nose...
Definition
Xia Dynasty
The Xia Dynasty (c. 2070-1600 BCE) was the first government to emerge in ancient China and the first to adopt the policy of dynastic succession. Consequently, the Xia was the first dynasty of China. Long regarded as a mythical construct...
Definition
Gustav Holst
Gustav Holst (1874-1934) was a British composer of Swedish origin most famous for his dramatic orchestral suite The Planets, first performed in public in 1919. Holst also composed several operas, wrote sacred choral works such as...