ca. 633

“Converts to Judaism” issued by King Sisenand and Archbischop Isidore of Seville [Visigothic Kingdom, Present-day Spain and France] [Unconfirmed]

Commentary from other sources:
1) “King Sisenand and Archbishop Isadore of Seville force converts to Judaism back to Christianity.”
Funk & Wagnalls: Jewish Encyclopedia, Volume IV (1903)