By 422 the Western Roman government...
Following the Roman defeat at...
In November 423, after the Western...
The usurpation of Joannes (423) was...
In October 425, at the behest of the...
In 427 the Western Roman empress...
In 425 the Eastern Roman Empire...
Taking advantage of the Western...
The disastrous civil war with...
By May 430 the Vandals had advanced...