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Lateran Council, First

(Encyclopedia)Lateran Council, First, 1123, 9th ecumenical council of the Roman Catholic Church, summoned by Pope Calixtus II to signal the end of the investiture controversy by confirming the Concordat of Worms (1...

magic square

(Encyclopedia)magic square, a square divided into parts with letters or numbers inscribed therein that, whether combined vertically, horizontally, or diagonally, form the same sum or the same word. In ancient times...

Magliabechi, Antonio

(Encyclopedia)Magliabechi, Antonio äntôˈnyō mälyäbĕˈkē [key], 1633–1714, Italian librarian, b. Florence. Magliabechi was a trained goldsmith who devoted his life to learning, and mastered Greek, Latin, a...

Rheinfelden

(Encyclopedia)Rheinfelden rīnˈfĕldən [key], town, Aargau canton, N Switzerland, on the Rhine River, opposite the German town of the same name. Although it has one of the largest hydroelectric plants in Europe, ...

Schipa, Tito

(Encyclopedia)Schipa, Tito tēˈtō skēˈpä [key], 1888–1965, Italian operatic tenor. He made his debut in 1910 in Vercelli. After many appearances in Europe, he came to the United States in 1919, joining the C...

Amyot, Joseph

(Encyclopedia)Amyot or Amiot, Joseph ämyōˈ [key], 1718–1794?, French Roman Catholic missionary in China, a Jesuit. He wrote a long treatise on the history, sciences, and customs of the Chinese (15 vol., 1776�...

Doesburg, Theo van

(Encyclopedia)Doesburg, Theo van tāˈō vän do͞osˈbûrg [key], 1883–1931, Dutch painter, teacher, and writer. Together with Mondrian he founded the magazine De Stijl and successfully proselytized in Europe fo...

Fakhfakh, Elyes

(Encyclopedia)Fakhfakh, Elyes, 1972–, Tunisian politician, prime minister of Tunisia, 2020. Trained as an engineer and manager in France, he worked for the French company Total in Europe, returning to Tunisia in ...

Belle Isle, Strait of

(Encyclopedia)Belle Isle, Strait of bĕlīlˈ [key], c.35 mi (60 km) long and from 10 to 15 mi (16–24 km) wide, between the island of Newfoundland and Labrador-Ungava peninsula, Canada. The northern entrance to t...

Ayrshire cattle

(Encyclopedia)Ayrshire cattle rˈshēr, –shər [key], breed of dairy cattle originated in Scotland in the late 18th cent.; introduced into the United States in 1837. They are medium-sized and white mixed with red...