United States Air Force: Did you mean...?

The Warring States period (481/403 BCE - 221 BCE) describes the three centuries when various rival Chinese states battled viciously for territorial advantage and dominance. Ultimately the Qin state was victorious and established the first...

The Boeing B-29 Superfortress was a four-engined, long-range bomber of the United States Air Force. The largest of all Second World War (1939-45) bombers, B-29s were used to strike Japanese targets from the summer of 1944. In August 1945...

The Crusader States (aka the Latin East or Outremer) were created after the First Crusade (1095-1102) in order to keep hold of the territorial gains made by Christian armies in the Middle East. The four small states were the Kingdom of Jerusalem...

The Allied strategic bombing of Germany during World War II (1939-45) involved British and U.S. bomber planes attacking industrial cities, factories, railways, airfields, and dams. Over 600,000 civilians died as a consequence. The campaign...

A map of the United States, showing each of its states, published by D.G. Beers & Co. in 1874. From the Lionel Pincus and Princess Firyal Map Division, The New York Public Library.

The United States Constitution (1787) represents the foundational legal and political framework of the American republic, drafted to replace the ineffective Articles of Confederation (1781) and unify the newly independent states under a stronger...

The Battle of Britain, dated 10 July to 31 October, 1940 by the UK Air Ministry, was an air battle between the German Luftwaffe and British Royal Air Force and allies during the Second World War (1939-45). The Luftwaffe failed to achieve...

In early 1861, the United States entered the most severe constitutional and political crisis in its history. The election of Abraham Lincoln (president 1861–1865) triggered a wave of secessions beginning with South Carolina in December 1860...

Anaximenes of Miletus (l. c. 546 BCE) was a younger contemporary of Anaximander and generally regarded as his student. Known as the Third Philosopher of the Milesian School after Thales (l. c. 585 BCE) and Anaximander (l. c. 610 - c. 546...

This map illustrates the situation in the United States n 1850, as the country faced growing sectional tension over the expansion of slavery into new territories gained from the Mexican-American War. The Compromise of 1850 aimed to preserve...