Second migration to Abyssinia
This is a sub-article to Muhammad before Medina and Muhammad in Medina Following the migration and return of the most Sahabas from the first migration to Abyssinia (Sa'd ibn Abi Waqqas and some did not return but left Abyssinia by sea for preaching overseas to east Asia), the Muslims continued to suffer Persecution by the Meccans. This time, in 6 BH (615 CE) almost one hundred Muslims made a second migration back to Abyssinia where they stayed protected.
Source: Wikipedia — Second migration to Abyssinia (CC BY-SA 4.0)