Agricultural Revolution: Did you mean...?

Albert Sidney Johnston (1803-1862) was the commander of the Confederate western armies in the early months of the American Civil War (1861-1865). Over the course of his 34-year...

The First Intermediate Period of Egypt (2181-2040 BCE) is the era that followed the Old Kingdom (circa 2613-2181 BCE) and preceded the Middle Kingdom (2040-1782 BCE) periods of Egyptian history...

Hipparchus of Nicea (l. c. 190 - c. 120 BCE) was a Greek astronomer, geographer, and mathematician regarded as the greatest astronomer of antiquity and one of the greatest of all time. He is best known...

Phillis Wheatley (l. c. 1753-1784) was the first African American woman to publish a book of poetry and become recognized as a poet, overcoming the prevailing understanding of the time that a Black person was incapable of writing...

The Constitutional Convention was held at Independence Hall in Philadelphia, Pennsylvania, from 25 May to 17 September 1787. Spurred on by economic troubles left over from the American Revolution and compounded by the...

The Siege of Toulon (29 August to 19 December 1793) was a decisive military operation during the French Revolutionary Wars (1792-1802), conducted by a French Republican army to retake the port city of Toulon from rebels, who were...

The human body's system of blood circulation was discovered by the English physician and anatomist William Harvey (1578-1657) in 1628. Harvey determined the relationship between the blood system of arteries...

The Battle of Princeton (3 January 1777) was a small, yet significant, battle of the American Revolutionary War (1775-1783) in which the American Continental Army surprised and defeated a British force at Princeton, New Jersey...

Although the Battle of Gonzales (2 October 1835) is recognized as the first of the Texas Revolution of 1835-1836, hostilities actually began in 1832 with the Anahuac Disturbances and the...

Steel, an alloy based principally on iron and carbon, has been one of humanity’s most transformative materials. From early bloomery production in the ancient Near East to...