_See also_ Church, Constantinople, Eastern, Schism Greenland, mission to, 132 Gregorian Sacramentary, 182 Gregory I., the Great, S., pope, 21, 25, 34, 40, 55, 76, 113, 134, 171, 180-2, 184, 186, 190, 192; his life and work, 60-71; his relations to Gaul, 48-51, 65, 69; to Africa, 107; to missions, 69; to monasticism, 69; to classical learning, 52, 70; his claim to jurisdiction, 68; claimed no special authority for the use of Rome, 187; his theology, 70-1; his writings, 35, 60, 63-5 Gregory II., pope, 136-7, 157 Gregory III., pope, 137, 147, 157 Gregory IV., pope, 130 Gregory V. (Bruno), pope, 199, 200 Gregory of Tours, bishop and historian, 43-5, 51-2, 58, 66 n., 145, 171 Gregory, abbat of Utrecht, 136 Gregory, patrician, upstart emperor, 109 Guntchramn (Guntram), king of the Burgundian Franks, 55 Haakon (Hacon) the Good, king of Norway, 131 Hadrian I., pope, 151, 154, 182 Hadrian II., pope, 123-4 Hamburg, archbishopric, 129-30 Harnack, A., referred to, 22 Harold Bluetooth, king of Denmark (died 978), 131 Harold, Danish king in 822, 129 Harold Haarfager (Fairhair), king of Norway, 131 Hatfield, Council of (680), 88 Helena, empress, 100 _Henotikon_, the, 7, 8, 10 Henry I., "the Fowler," first German king of the Saxon House(919-36), 126 Heraclius, emperor, 22-3, 83-4, 100-1, 109, 158; as a theologian, 87 Herat, Nestorian bishopric of, 98 Heresy, not a unifying power, 134; real danger of sixth and seventh century heresies, 19; heresy akin to patriotism in the East, 13; an expression of national independence, 23; baptism of heretics, 178. _See_ Adoptianist, Aphthartodocetes, Arianism, Donatists, Eutychian, Jacobite, Monophysites, Monothelites, Nestorians Hermenigild (Hermenegild), Wisigothic king in Spain, 75 Heruls, a Teutonic tribe, 29, 94 Hessen, 136-8 Hieria, iconoclastic synod at, 155 Hieroclea, author of the _Synekdemos_, 24 Hilarus, papal official under Gregory the Great, 107 Hilda, S., 116 Hilderic, Vandal king, 105 Himyarites, Christians in South Arabia, 111-12 Hincmar, archbishop of Rheims, 170, 192, 195 Hira (in Persia), Monophysite bishop of, 110 Hlothild (Chlothildis), daughter of Chlodowech, 74 Hodgkin, Dr. Thomas, quoted, 32-3, 48, 75 n, 135, 144 Homerites (Himyarites) in South Arabia, Christian, 111-12 Honorius I., pope, 87-8; condemned by the Sixth General Council, 85 Hormisdas, pope, 9-10, 90 Hugh the Great, duke of the Franks (923-56), 196 Hugh Capet, duke (956), and king (987-96) of the Franks, 201 Hugh, S., abbat of Cluny, 174 Hungary, 141; received a Christian king, 201 Hunneric, Vandal king, 104 Huns, 41, 94 Hymns, 15 n, 81, 156, 162, 168, 190