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Itzamna

(Encyclopedia)Itzamna ētsämˈnä [key], chief deity of the Maya. Son of Hunab Ku, the creator, he was believed to be lord of the heavens, day, and night. Thought by the Maya to have been the inventor of writing a...

Marvin, Charles Frederick

(Encyclopedia)Marvin, Charles Frederick, 1858–1943, American meteorologist, b. Putnam (now part of Zanesville), Ohio, grad. Ohio State Univ., 1883. He entered (1884) the U.S. Signal Service, predecessor of the We...

Sacrobosco, Johannes de

(Encyclopedia)Sacrobosco, Johannes de yōhänˈəs də săkrōbŏsˈkō [key], or John of Hollywood, c.1200–1256, English mathematician and astronomer. He wrote several widely read and influential books: Algorism...

April Fool's Day

(Encyclopedia)April Fool's Day or All Fool's Day, holiday of uncertain origin, known for practical joking and celebrated on the first of April. Prior to the adoption of the Gregorian calendar in 1564, the date was ...

Fabre d'Églantine, Philippe François Nazaire

(Encyclopedia)Fabre d'Églantine, Philippe François Nazaire fēlēpˈ fräNswäˈ näzĕrˈ fäˈbrə dāgläNtēnˈ [key], 1755–94, French dramatist and revolutionist. His chief work, Le Philinte de Molière (1...

sans-culottides

(Encyclopedia)sans-culottides säN-külôtēdˈ [key], the last five days of the year in the French Revolutionary calendar, thus named in honor of the sans-culottes. ...

pontifex maximus

(Encyclopedia)pontifex maximus pŏnˈtĭfĕks măkˈsĭməs [key], highest priest of Roman religion and official head of the college of pontifices. As the chief administrator of religious affairs he regulated the c...

ember days

(Encyclopedia)ember days, in the Western Church, traditionally the Wednesday, Friday, and Saturday following the first Sunday in Lent; Whitsunday; Sept. 14 (Exaltation of the Cross); and Dec. 13 (St. Lucy's Day). T...

international date line

(Encyclopedia)international date line, imaginary line on the earth's surface, generally following the 180° meridian of longitude, where, by international agreement, travelers change dates. Traveling eastward acros...

National Museum of Anthropology

(Encyclopedia)National Museum of Anthropology, Mexico City. The present building, designed by Pedro Ramírez Vázquez and inspired by ancient Mexican architecture, was opened in 1964 and houses choice and extensive...