54 CE - The Roman Empire at the death of Claudius

17 CE - Cappadocia and Commagene annexed as province of Cappadocia (east-central Anatolia)
40 CE - Annexation of Mauretania (North Africa)
42 CE - Creation of Provinces of Mauretania Tingitana and Caesariensis
43 CE - Invasion of Britain
43 CE - Annexation of Lydia & Pamphylia (southern Anatolia)
46 CE - Annexation of Thracia (modern region of the southeastern Balkans)