EU, a town of France, in the department of Seine-Inferieure, on the Bresle, about 2 m. from its mouth in the English channel and 17 m. E. N. E. of Dieppe; pop. in 1866, 4,168. It has a fine Gothic church, with a famous subterranean chapel, and manufactures of lace, serges, and soap. The chateau d'Eu, in the neighborhood, was one of the favorite castles of Louis Philippe, and it now (1874) belongs to the count de Paris.
EU, Loais Philippe Marie Ferdinand Gaston d'Or-leans, count d', a Brazilian general, born at Neuilly, April 28, 1842. He is the elder son of the duke de Nemours, and grandson of King Louis Philippe, and married in 1864 the princess Isabella of Brazil, heir apparent to the throne. He holds the rank of marshal in the Brazilian army. In 1869 he was commander-in-chief of the allied forces in the war against Paraguay, and achieved signal victories which impelled the retreat of Lopez in September, and led to his overthrow and death early in 1870. Previous to leaving Paraguay he proclaimed the abolition of slavery, and a number of slaves were emancipated in Brazil in 1870 in honor of his services.