Answer:
G – B – A – E – C – H – D - F 
Step-by-step explanation:
G - 330 CE – When the roman empire was moved to Byzantium. 
B – 662 CE - Islam is founded by the prophet Muhammad .
A – 711 CE – They landed in Gibraltar. 
E – 732 CE – The kingdom of the Franks defeated the Arabs and Berbers. 
 C – 799 CE – Charlemagne was made ‘Emperor of Romans’. 
H – 1096 CE – It lasted fro three years. 
D – 1099 CE – During the First Crusade. 
F – 1187 CE – It was taken back by the army of Saladin