Thirty years: Did you mean...?

Henry VI of England ruled as king from 1422 to 1461 and again from 1470 to 1471. Succeeding his father Henry V of England (r. 1413-1422), Henry VI was crowned the king of France in 1431 but he could not prevent a French revival...

The Homestead Act was a policy enacted by the United States government on 20 May 1862 to encourage westward expansion. Passed during the American Civil War (1861-1865), the act offered 160 acres (65 ha) of...

The earliest reports on the Sand Creek Massacre (29 November 1864) characterized it as a great battle in which the Third Colorado Cavalry under Colonel John Chivington defeated a...

Henry V of England ruled as king from 1413 to 1422. Succeeding his father Henry IV of England (r. 1399-1413), Prince Henry established himself as a fine military leader in battles against English and Welsh rebels in the first...

The BCE/CE dating system was first used in the 17th century and has been used since in scholarly publications read by people of all faiths and cultures in an effort to be inclusive. This system is also...

The First Agricultural Revolution, beginning c. 12-20,000 years ago, was characterized by the emergence of different agricultural systems in different parts of the world, whose common trait was the use of native species...

In May 2010, after years of intense discussions surrounding possible fossils of mixed Homo sapiens and Neanderthal descent floating around the scientific community, a team led by Svante Pääbo of the Max-Planck Institute...

Simon Forman (1552-1611) was an Elizabethan physician, astrologer, magician, and alchemist who lived and worked in both London and Wiltshire, England. He was unusual in that despite receiving no formal training in medicine or astrology...

Plato of Athens (424 or 423 to 347 BCE) was an ancient Greek philosopher whose work is considered so important that he may be called the inventor of philosophy as we understand the term today. Some people would want to reserve...

Aryan is a designation originally meaning “civilized”, “noble”, or “free” without reference to any ethnicity. It was first applied as a self-identifying term by a migratory group of people from Central Asia later known as Indo-Iranians...