First Council of Nicaea: Did you mean...?

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...

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...

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...

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...

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 growth of Christianity in the Roman Empire from the 1st to the 5th centuries transformed a small religious movement rooted in Roman Judaea into one...

The Counter-Reformation (also known as the Catholic Reformation, 1545 to c. 1700) was the Catholic Church's response to the Protestant Reformation (1517-1648). It is usually dated from the Council of Trent in 1545 to the end...

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...

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...

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...