Euchre it was introduced by French or American prisoners of war imprisoned in Dartmoor prison during the early 19th century. Ombre is an ancestral form of Euchre. In the United States the only teaching of the game, except a few paragraphs in the late American editions of "Hoyle's Games", and of "Bonn's New Hand-Book of Games", is contained in "The Game of Euchre"; with its Laws, 32mo., Philadelphia, 1850, pp. 32, attributed to a late learned jurist. The game has declined in popularity since the 19th century, when it was widely regarded as the national card game, but it retains a
Skat (river) with a sand-covered bed. Its valley is asymmetrical, as the right bank is normally steeper than the left one. Before the construction of the atomic power station in Kozlodui the Skat flew into Danube directly. Then the Ogosta's course has been altered to free space for the atomic station separate canals and now the smaller Skat flows into the Ogosta at Saraevo, west of Oryahovo. The Skat is 140 kilometres long and has a drainage basin of 1,070 square kilometres. Its main tributaries are the Barzina and the Greznitsa. The river is used for irrigation and one reservoir has been