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The De Virga world map was made by Albertinus de Virga between 1411 and 1415. Albertin de Virga, a Venetian, is also known for a 1409 map of the Mediterranean, also made in Venice. The world map is circular, drawn on a piece of parchment 69.6 cm × 44 cm (27.4 in × 17.3 in). It consists of the map itself, about 44 cm (17 in) in diameter, and ...
Medieval maps of the world in Europe were mainly symbolic in form along the lines of the much earlier Babylonian World Map. Known as Mappa Mundi (cloths or charts of the world) these maps were circular or symmetrical cosmological diagrams representing the Earth's single land mass as disk-shaped and surrounded by ocean. [6]
A world map is a map of most or all of the surface of Earth. World maps, because of their scale, must deal with the problem of projection. Maps rendered in two dimensions by necessity distort the display of the three-dimensional surface of the Earth. While this is true of any map, these distortions reach extremes in a world map.
Separation of powers requires a different source of legitimization, or a different act of legitimization from the same source, for each of the separate powers. If the legislative branch appoints the executive and judicial powers, as Montesquieu indicated, there will be no separation or division of its powers, since the power to appoint carries ...
The Sawley map in the Parker Library at Corpus Christi College, Cambridge. The Sawley map, formerly known as the ' Henry of Mainz ' map, is the earliest surviving mappa mundi (world map) made in England. [1] It was made between about 1180 and the early 13th century. [2] The map is the frontispiece of a copy of the Imago mundi of Honorius of Autun.
A more complete illustrated list of world maps of that time may be compiled from the comprehensive survey of Shirley. Comparisons with his own map show how freely he borrowed from these maps and from his own 1538 world map [34] and his 1541 globe. [citation needed] A 1550 portolan of the eastern Mediterranean showing the high quality of coastal ...
In the Greater Middle East, power was divided between the Seljuk Empire, the Fatimid Caliphate, the Buyid dynasty, and the Ghaznavids. [142] No Islamic power was able to hold Egypt, the Levant, Mesopotamia, and Persia at the same time again. [143] In 1258, the Mongol Siege of Baghdad pushed the Islamic world into disarray. [144]
Separation of powers is a political doctrine originating in the writings of Charles de Secondat, Baron de Montesquieu in The Spirit of the Laws, in which he argued for a constitutional government with three separate branches, each of which would have defined authority to check the powers of the others.