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Orašac Assembly, 14 February 1804, drawing included in Konstantin N. Nenadović's Život i dela velikog Đorđa Petrovića Kara-Đorđa I, p. 48, 1903. The Orašac Assembly saw 300 Serbian chiefs and rebels organize to revolt against Ottoman rule...

No Man's Land, illustration by Lucien Jonas, 1927. Lucien Jonas was a French artist appointed as an official military painter after being mobilized in 1914, becoming one of the most prolific and renowned wartime artists of the First World...

The First Continental Congress, held by delegates from 12 of the 13 British colonies of North America from 5 September to 26 October 1774. The mural depicts Patrick Henry delivering a speech during the Congress at Carpenter's Hall in Philadelphia...

A photograph of a defensive position of the British Eighth Army at the First Battle of El Alamein (July 1942) during the Western Desert Campaigns (June 1940 to January 1943) in North Africa. (Imperial War Museums)

This 1795 painting depicts the famous naval battle of the Glorious First of June (1794). In this battle, the British navy, under the command of Admiral Richard Howe defeated the French navy during the Revolutionary Wars. This painting captures...

The troop dispositions of the Royalists (red) and Parliamentarians (blue) at the indecisive First Battle of Newbury in September 1643 during the English Civil Wars (1642-51). (1844 illustration by Walter Money)

This is a door-shaped limestone stele of a priestess of the goddess Hathor. First Intermediate Period, 2134-2040 BCE. From Egypt. (Ancient Orient Museum, Istanbul, Turkey).

The First Bulgarian Empire under Simeon I the Great (893–927 CE) was the most powerful phase of medieval Bulgaria, shaped by the ruler’s ambition to claim imperial authority rivaling Byzantium. A union of Bulgars and Slavs that had adopted...

The First Tetrarchy (293–305 CE) was Emperor Diocletian's (reign 284–305 CE) solution to the political and military crises that had nearly destroyed the Roman Empire during the Crisis of the Third Century (235–284 CE). Following decades of...

The First Industrial Revolution refers to the profound economic and technological transformation that reshaped parts of Europe and North America between c. 1760 and 1840, first and most intensively in Britain under monarchs such as George...