Columbia Encyclopedia

(Encyclopedia) Haakon IV (Haakon Haakonsson), 1204–63, king of Norway (1217–63), illegitimate son of Haakon III and grandson of Sverre. Secretly reared by the Birkebeiner faction (see Sverre), he was chosen king...

(Encyclopedia) Murad IV, 1612?–1640, Ottoman sultan (1623–40), nephew and successor of Mustafa I. He recovered (1638) Baghdad, which Shah Abbas I of Persia had seized. On his victory he sent an order to murder h...

(Encyclopedia) Romanus IV (Romanus Diogenes) dīŏjˈənēz [key], d. 1072, Byzantine emperor (1068–71). A Cappadocian general, he succeeded Constantine X by marrying his widow, Eudocia Macrembolitissa. After some...

(Encyclopedia) Innocent IV, d. 1254, pope (1243–54), a Genoese named Sinibaldo Fieschi, a distinguished jurist who studied and later taught law at the Univ. of Bologna; successor of Celestine IV. He was of a noble...

(Encyclopedia) Pius IV, 1499–1565, pope (1559–65), a Milanese named Giovanni Angelo de' Medici; successor of Paul IV. He was probably not related to the great Medici family. His career in Rome began in 1527, and...

(Encyclopedia) Eustace IV, count of Boulogne: see under Eustace II. ...

(Encyclopedia) Cantor, Eric Ivan, 1963–, U.S. politician, b. Richmond, Va., grad. George Washington Univ. (B.A., 1985), William and Mary (J.D., 1988), Columbia (M.S., 1989). A conservative Republican, he worked as...

(Encyclopedia) Bela IV bāˈlə, bēˈlə [key], 1206–70, king of Hungary (1235–70), son and successor of Andrew II. He tried to curtail the power of the magnates and set out to recover the crownlands his father...

(Encyclopedia) Paul IV, 1476–1559, pope (1555–59), a Neapolitan named Gian Pietro Carafa; successor of Marcellus II. First superior of the Theatines (see Cajetan, Saint), he was sternly ascetic. A leading reform...

(Encyclopedia) Vlad IV, 1431?–1476, prince of Walachia (1448, 1456–62, 1476), known as Vlad the Impaler. He was the son of Prince Vlad Dracul (Vlad the Devil) and is therefore also called Dracula or son of the D...