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Lyons, Second Council of

(Encyclopedia)Lyons, Second Council of, 1274, 14th ecumenical council of the Roman Catholic Church. It was summoned by Pope Gregory X to discuss problems in the Holy Land, to remove the schism of East and West, and...

Constantinople, Second Council of

(Encyclopedia)Constantinople, Second Council of, 553, regarded generally as the fifth ecumenical council. It was convened by Byzantine Emperor Justinian I to settle the dispute known as the Three Chapters. In an at...

Nicaea, Second Council of

(Encyclopedia)Nicaea, Second Council of, 787, 7th ecumenical council, convened by Byzantine Empress Irene. Called to refute iconoclasm, the council declared that images ought to be venerated (but not worshiped) and...

Mexican War

(Encyclopedia)Mexican War, 1846–48, armed conflict between the United States and Mexico. The United States had won an easy victory, partly because Mexico, torn by civil strife, could not present a united fron...

Mixtón War

(Encyclopedia)Mixtón War mēstōnˈ [key], 1541, revolt of indigenous peoples against Spanish rule in Nueva Galicia, W Mexico. The conquest under Nuño de Guzmán had been particularly harsh and the encomienda sys...

Modoc War

(Encyclopedia)Modoc War, 1872–73, series of battles between the Modoc and the U.S. army fought as a result of the attempt to force a group of the Modoc to return to the Klamath Reservation in S Oregon. Beginning ...

Aroostook War

(Encyclopedia)Aroostook War, Feb.–May, 1839, border conflict between the United States and Canada. In 1838, Maine and New Brunswick both claimed territory left undetermined on the U.S.-Canadian border, including ...

Marsic War

(Encyclopedia)Marsic War: see Social War.

Korean War

(Encyclopedia)Korean War, conflict between Communist and non-Communist forces in Korea from June 25, 1950, to July 27, 1953. At the end of World War II, Korea was divided at the 38th parallel into Soviet (North Kor...

Great War

(Encyclopedia)Great War: see World War I.