Search Results: Coordinate system

The Continental System was a major blockade of British trade imposed by French Emperor Napoleon I from 21 November 1806 to 11 April 1814. It was designed to cripple the British economy, thereby forcing Britain out of the Napoleonic Wars (1803-1815...

Britain's integrated air defence system in the Second World War (1939-45), known as the Dowding System after the air chief marshal of that name, included code-breakers, radar stations, observers, searchlights, barrage balloons, anti-aircraft...

The Bone Rank System (Golpum or Kolpum) of ancient Korea was used in the Silla kingdom (57 BCE – 935 CE) in order to signal a person's political rank and social status. Membership of a particular rank within the system was extremely...

In recent years, a persistent criticism has been leveled against the use of the BCE/CE system (Before the Common or Current Era/Common or Current Era) , rather than BC/AD (Before Christ/Anno Domini or 'Year of Our Lord'), in dating historical...

The Dowding System (named after its architect, Air Chief Marshal Hugh Dowding 1882 - 1970) was Britain's pioneering integrated air defense system during the Second World War. The system incorporated advanced radar technology, robust communication...

A map of the Inca road system which included some 40,000 km of routes.

The underground channel of a qanat in the Turfan water system in the Turpan Depression of Xinjiang, China.

The Silla kingdom ruled south-eastern Korea during the Three Kingdoms period from the 1st century BCE to 7th century CE. The capital was Geumseong (Gyeongju) with a centralised government and hierarchical system of social ranks. The prosperity...

Roman laws covered all facets of daily life. They were concerned with crime and punishment, land and property ownership, commerce, the maritime and agricultural industries, citizenship, sexuality and prostitution, slavery and manumission...

Queen Seondeok (Sondok) ruled the ancient kingdom of Silla from 632 to 647 CE and was the first female sovereign in ancient Korea. Silla was on the verge of dominating the whole of the Korean peninsula and Seondeok helped progress her kingdom...