The Dieppe maps are a set of maps produced in Dieppe, France in the 16th century, thought to provide clues towards Portuguese exploration of Australia two hundred years before Captain Cook. The maps show part of what might be Queensland, and name the land mass "Java la Grande". Dieppe is a town and commune in the Seine-Maritime département of Haute-Normandie (eastern Normandy), France. ... Jump to: navigation, search The European exploration of Australia encompasses several waves of seafarers and land explorers. ... Jump to: navigation, search James Cook, portrait by Nathaniel Dance, c. ... Jump to: navigation, search Motto: Audax at Fidelis (Bold but Faithful) Nickname: Sunshine State/Smart State Other Australian states and territories Capital Brisbane Government Governor Premier Const. ...
The first historian to put these maps forward as evidence of Portuguese discoveries was George Collingridge, who published The Discovery of Australia in 1895, claiming (unpopularly) that Australia was discovered by other nations than the British long before Cook's 1770 voyage. George Collingridge (1847-1931) was an Australian historian best known today for his early assertions of Portuguese presence Australia in th 16th century. ... 1895 was a common year starting on Tuesday (see link for calendar). ...
Gordon McIntyre, in his book The Secret Discovery of Australia: Portuguese Ventures 200 Years Before Captain Cook (1977), describes in detail the method by which he believes the Dieppe maps were produced from sailors' charts of the Australian coast. He believes that despite the secretive nature of the Portuguese naval administration, information was leaked to the mapmaking school at Dieppe, who incorporated this information in their maps between 1536 and 1550. Discrepancies in the resulting maps have been attributed to the difficulties of navigating without a reliable method of determining Longitude, and the techniques used to convert maps to different projections. Events February 2 - Spaniard Pedro de Mendoza founds Buenos Aires, Argentina. ... Events February 7 - Julius III becomes Pope. ... Jump to: navigation, search Map of Earth showing lines of longitude, which appear curved and vertical in this projection, but are actually halves of great circles Longitude, sometimes denoted by the Greek letter λ, describes the location of a place on Earth east or west of a north-south line called... Jump to: navigation, search The Mercator projection shows courses of constant bearing as straight lines. ...
In this way he proves that the Dolphin Map, from Dieppe, published in 1536, discloses the east coast of Australia as really is. He points out Warrnambool, where the remains of a ship of Crist v o de Mendon a in 1522 would have run aground, attributing the map to this Portuguese captain.
One of these maps, presented to the French Dauphin in about 1540, purports to represent a great south land, named “Jave la Grande”, apparently discovered by the Portuguese.
These maps were derived from some charts, but the details are vague.
The name Dieppe is probably derived from the Saxon word ‘deop’, meaning deep, and referring to the depth of the Argues estuary.
Dieppe was occupied, during the Franco-Prussian War, from 1870 to 1871.
Dieppe’s points of interest include the battle scared 14th century Church of Saint-Jacques and a Château, built in 1435, that now houses the Musée du Château with a rare collection of fine ivory.
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