-
Period: 600 to 700
Arab converting
In the 7th Century C.E. Arab Calvaries converted to a new religion of Islam, and conquered eastern and southern Mediterranean shores as well as sasanian empire -
Period: 700 to 800
Conquering
In the 8th Century they went on to conquer Spain and Turko-Iranian areas of central Asia as well as northwestern India -
Period: 800 to 900
Navigation
In the 9th century they had acquired the compass (in china) and may as well have been the first to use it for Marine navigation , Chinese didn't use it for this purpose until after 10th century -
825
Mathematics
Al Kharazmi introduced Indian mathematics to the Arabic reading world in his "treatise on calculation with the Hindu Numerals written around 825 -
850
Silver
Arabs mined and coined so much silver by 850 its value realtive to gold had fallen from 10:1 to 17:1 -
Period: 869 to 884
Fighting/Rebelling
In 869, one year after death of famous writer alJahiz the Zanj slaves in Iraq rebelled. It took the caliphate 15 years of hard fighting to defeat them. -
Period: 900 to 1000
Cotton crop
By the 10th century cotton had also become a major crop in the lands of the caliphate from Iran to Central Asia to Spain and the Mediterranean islands. -
Period: 900 to 1000
Important Source
In the 10th century Kilwa had become an important source of Zimbabwean gold -
940
Silver recovery
By 940 the ratio of gold to silver had recovered to 12:1 -
1000
Sugarcane crop
By 1000 sugarcane had become an important crop in Yemen, in Arabian oasis ; in irrigated areas of Syria, Lebanon, Palestine, Egypt, Maghrib, Spain, Mediterranean Islands controlled by Muslims