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Three Emperors' League

(Encyclopedia)Three Emperors' League, informal alliance among Austria-Hungary, Germany, and Russia, announced officially in 1872 on the occasion of the meeting of emperors Francis Joseph, William I, and Alexander I...

American Association for the Advancement of Science

(Encyclopedia)American Association for the Advancement of Science (AAAS), private organization devoted to furthering the work of scientists and improving the effectiveness of science in the promotion of human welfa...

Organization for Security and Cooperation in Europe

(Encyclopedia)Organization for Security and Cooperation in Europe (OSCE), international organization established as the Conference on Security and Cooperation in Europe (CSCE) in 1973, during the cold war, to promo...

Pedro II

(Encyclopedia)Pedro II (Dom Pedro II de Alcântara), 1825–91, emperor of Brazil (1831–89). At the age of five, he succeeded under a regency when his father, Pedro I, abdicated. He was declared of age in 1840. P...

Kaboré, Roch Marc Christian

(Encyclopedia)Kaboré, Roch Marc Christian, 1957–, Burkinabé political leader. Following a career in banking, he joined Blaise Compaoré's government, serving as minister of transport and communications (1989–...

Spectral Classes for Main Sequence Stars (table)

(Encyclopedia)Characteristics of Spectral Classes for Main Sequence Stars ...

Guinea, archaic term for Africa's west coast

(Encyclopedia)Guinea gĭnˈē [key], an archaic term for the west coast of Africa. In its widest sense it has been applied to the region from Angola to Senegal. Parts of the region bore names originating in early c...

Thorn , German name for Toruń, Poland

(Encyclopedia)Thorn: see Toruń, Poland.

Thule , ancient name for extreme N Europe

(Encyclopedia)Thule tho͞oˈlē [key], name given by the ancients to the most northerly land of Europe. It was an island discovered and described (c.310 b.c.) by the Greek navigator Pytheas and variously identified...