400 - 600 ROMAN EMPIRE
Was broken up by German tribes - the Huns, Vandals and Goths. The Papacy was established.
C. 400 JEWISH KINGDOM IN ARABIA
During a siege on Yathrib (Medina) Abu Karib Asad Kamil (c. 385-420), a Himyarite (Southern Arabian) king became ill. Reportedly he was saved by two Jews in the besieged city and in return agreed to lift the siege and converted to Sadduceean Judaism. He succeeded in conquering much of the Arabian peninsula together with Jewish tribes and pagan allies.
404 April 22, HONORIUS (Co-Emperor)
Decreed that Jews and Samaritans are to be deprived of all military rank nor allowed to bear arms A number of years later believing this didn't go far enough he added also excluded Jews from all civil service ( see 418).
409 April 1, CAELICOLAE
An African Christian sect (aka heaven worshipers) was accused of Judaizing including the use of Jewish names and condemned as heresy. In a joint communication, Honorius and Theodosius II wrote " It would be… crueler then murder… if any Christian be polluted by Jewish disbelief" Within a year they ceased to exist.