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Ptolemy II

(Encyclopedia)Ptolemy II (Ptolemy Philadelphus) fĭlədĕlˈfəs [key], c.308–246 b.c., king of ancient Egypt (285–246 b.c.), of the Macedonian dynasty, son of Ptolemy I and Berenice (c.340–281 b.c.). He cont...

Ptolemy XIII

(Encyclopedia)Ptolemy XIII, 61?–47 b.c., king of ancient Egypt (51–47 b.c.), of the Macedonian dynasty; son of Ptolemy XII. On the death of his father he was under the guardianship of Pompey. He was completely ...

Ptolemy XIV

(Encyclopedia)Ptolemy XIV, d. 44 b.c., king of ancient Egypt (47–44 b.c.), the last of the Macedonian dynasty, but for his sister, Cleopatra. He was a child when his brother Ptolemy XIII drowned. Julius Caesar ma...

Ptolemy

(Encyclopedia)Ptolemy (Claudius Ptolemaeus), fl. 2d cent. a.d., celebrated Greco-Egyptian mathematician, astronomer, and geographer. He made his observations in Alexandria and was the last great astronomer of ancie...

Title IX

(Encyclopedia)Title IX, clause of the Educational Amendments of 1972 that reads: “No person in the United States shall, on the basis of sex, be excluded from participation in, be denied the benefits of, or be sub...

Ptolemy XV

(Encyclopedia)Ptolemy XV (Ptolemy Caesarion), 47–30 b.c., son of Cleopatra and (almost certainly) Julius Caesar. He became joint ruler with his mother, but played no role in the great and tragic events that broug...

Pius IX

(Encyclopedia)Pius IX, 1792–1878, pope (1846–78), an Italian named Giovanni M. Mastai-Ferretti, b. Senigallia; successor of Gregory XVI. He was cardinal and bishop of Imola when elected pope. For two years he p...

Eric IX

(Encyclopedia)Eric IX (Eric the Saint), d. 1160, king of Sweden. He led (1157?) a Christian crusade to Finland, where he left the bishop of Uppsala in charge of missionary work. While attending mass he was killed b...

Boniface IX

(Encyclopedia)Boniface IX, c.1345–1404, pope (1389–1404), a Neapolitan named Pietro Tomacelli; successor of Urban VI. The Avignon antipopes Clement VII and Benedict XIII were his contemporaries during the Great...

Gregory IX

(Encyclopedia)Gregory IX, 1143?–1241, pope (1227–41), an Italian named Ugolino di Segni, b. Anagni; successor of Honorius III. As cardinal under his uncle, Innocent III, he became, at St. Francis' request, the ...