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The Wallace line or Wallace's line is a faunal boundary line drawn in 1859 by the British naturalist Alfred Russel Wallace and named by the English biologist T.H. Huxley. It separates the biogeographical realms of Asia and ' Wallacea ', a transitional zone between Asia and Australia formerly also called the Malay Archipelago and the Indo ...
About 45,000 BC: first humans arrive in the islands of Southeast Asia, Papua New Guinea, and Australia via the now sunken Sundaland and Sahul land bridges. These migrations still required crossing expanses of water. They had no advanced watercraft technology, so it is presumed they crossed the Wallace Line via primitive floats or rafts.
The Australian Overland Telegraph Line was an electrical telegraph system for sending messages the 3200 kilometres (2000 miles) between Darwin, in what is now the Northern Territory of Australia, and Adelaide, the capital of South Australia. Completed in 1872 (with a line to Western Australia added in 1877), it allowed fast communication ...
Wallacea is defined as the series of islands stretching between the two continental shelves of Sunda and Sahul, but excluding the Philippines.Its eastern border (separating Wallacea from Sahul) is represented by a zoogeographical boundary known as Lydekker's Line, while the Wallace Line (separating Wallacea from Sunda) defines its western border.
Map showing Weber's line in relation to those of Wallace and Lydekker, as well as the probable extent of land at the time of the Last Glacial Maximum, when the sea level was more than 110 m lower than today. Max Carl Wilhelm Weber van Bosse or Max Wilhelm Carl Weber [2] (5 December 1852 – 7 February 1937) was a German-Dutch zoologist and ...
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Manual telephone, c. 1950. The phone and lines remained the property of the PMG. The Postmaster-General's Department (PMG) was a department of the Australian federal government, established at Federation in 1901, whose responsibilities included the provision of postal and telegraphic services throughout Australia.