Example image of eyePlorer eyePlorer map for 'List of state leaders in 873': 873 Abbasid Caliphate Agder Aghlabids Ahmad ibn Tulun Al-Andalus Al-Mu'tamid Alfonso III Alfonso III of León Alfred the Great Algeria Auvergne (province) Auxerre Aznar Galíndez II Balhae Barghawata Basil I Bernard II Boris I of Bulgaria Bulgaria Burgred of Mercia Caliph Caliphate of Córdoba Ceolwulf II of Mercia Charles the Bald Conrad I, Count of Auxerre Constantín mac Cináeda Count of Poitiers County of Auxerre Dae Hyeonseok Danelaw Denmark Duchy of Brittany East Anglia Egypt Emir Emperor of Japan Emperor Seiwa Emperor Tang Xizong Emperor Tang Yizong Frisia García Íñiguez of Pamplona Gascony Great Moravia Gujjar Guthrum Gyeongmun of Silla Harald I of Norway High King of Ireland Holy Roman Empire