., 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

Ibas of Edessa, 16-18
Iberians of Georgia, 95
Iceland, 115; conversion of, 132-3
Iconoclastic controversy, 12, 143, 147, 155-65, 194
Ignatius, patriarch of Constantinople, 193-4
Illyria, Ill