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The Roman army constructed both temporary and permanent forts and fortified military camps (castrum) across the frontiers of the empire's borders and within territories which required a permanent military presence to prevent indigenous uprisings...

In the 2nd century CE, the Roman Empire stretched from Scotland in northern Europe to the deserts of southern Egypt, encompassing the entirety of the Mediterranean basin. Beyond that lay its borders. Where there was no natural frontier such...

The 1,900th anniversary of the visit of the Roman emperor Hadrian (r. 117-138 CE) to Britain and the construction of the wall that bears his name will be observed in 2022. A year-long festival will be held, filled with hundreds of events...

A Model of Christian Charity is a sermon delivered by the Puritan John Winthrop (l. c. 1588-1649 CE), second governor of the Massachusetts Bay Colony, either just before or after his ship, the Arbella, set sail from England for North America...

Forts and sieges held a key position in ancient Indian warfare. Built on considerations of strategic location, topography, and the natural advantages provided by the site, forts would be heavily supplemented with man-made fortifications...

Sir William Johnson, 1st Baronet (l. c.1715-1774) was a British military officer, diplomat, and Superintendent of Indian Affairs. He was instrumental in aligning the Native Americans of New York with the British during the French and Indian...

The Siege of Detroit (15-16 August 1812) was one of the first major actions of the War of 1812. After a botched invasion of Canada, a US army retreated to Fort Detroit, where it was besieged by British and Native American forces under Major...

The Northern Cheyenne Exodus (1878-1879) is the modern-day term for the attempt by the Northern Cheyenne under chiefs Morning Star (Dull Knife, l. c. 1810-1883) and Little Wolf (also known as Little Coyote, l. c. 1820-1904) to leave the Southern...

The Sand Creek Massacre (29 November 1864) was a slaughter of citizens of the Arapaho and Cheyenne nations at the hands of the Third Colorado Cavalry of US Volunteers under the command of Colonel John Chivington, resulting in casualties estimated...

Sitting Bull (Tatanka Iyotanka, l. c. 1837-1890) was a Hunkpapa Sioux holy man, warrior, leader, and symbol of traditional Sioux values and resistance to the United States' expansionist policies. He is among the best-known Native American...