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The Rhine–Main–Danube Canal (German: ''Rhein-Main-Donau-Kanal''; also called Main-Danube Canal, RMD Canal or Europa Canal), in Bavaria, Germany, connects the Main and the Danube rivers across the European Watershed, running from Bamberg via Nuremberg to Kelheim. The canal connects the North Sea and Atlantic Ocean to the Black Sea, providing a navigable artery between the Rhine delta (at Rotterdam in the Netherlands), and the Danube Delta in south-eastern Romania and south-western Ukraine (or Constanța, through the Danube–Black Sea Canal). The present canal was completed in 1992 and is long. == Early history == Projects for connecting the Danube and Rhine basins by canal have a long history. In 793, the Emperor Charlemagne ordered the construction of a canal—the ''Fossa Carolina'', or ''Karlsgraben''—connecting the Schwäbische Rezat, a tributary of the Rednitz, to the Altmühl near Treuchtlingen. Between 1836 and 1846 the ''Ludwig Canal'', or ''Ludwigskanal'', named for King Ludwig I of Bavaria, was built between Bamberg and Kelheim. This canal had a narrow channel, with many locks, and a shortage of water in the peak section, so the operation of the waterway soon became uneconomic — especially given the rapidly advancing construction of the railway network in the southern German countryside. The canal finally was abandoned in 1950, after a decision was made to not repair damage it had suffered during World War II. In 1917, the Landtag of Bavaria passed a law calling for the development of a major shipping route "between Aschaffenburg and Passau", with the capacity to carry the 1,200-ton ships used on the Rhine. On 13 June 1921, Bavaria and the German Reich concluded an agreement to build the „''Main-Donau-Wasserstraße''".〔''„Ein Traum wird Wirklichkeit" Die Fertigstellung des Main-Donau-Kanals'' ('"A Dream Becomes Reality": the Completion of the Main-Danube Canal'), Siegfried Zelnhefer, July 1992.〕 Under this plan, in addition to the expansion of the Main and Danube, a completely new channel linking the rivers was to be created. The Rhein-Main-Donau AG (RMD-AG) was founded on 30 December 1921 to undertake the project. To finance the waterway, the RMD was given control of the water resources of the Main, Danube, Lech, and Altmühl, and Regnitz.〔(【引用サイトリンク】 title= Rhein-Main-Donau AG )〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Rhine–Main–Danube Canal」の詳細全文を読む スポンサード リンク
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