Complex sentence: According to the Canary historian Ramirez, in 1723 a priest performed the rite of exorcism towards the island during one of its apparitions behind low cloud: this was witnessed by a large number of persons and sworn to on affidavit.
Split into simpler sentences: According to the Canary historian Ramirez, in 1723 a priest performed the rite of exorcism towards the island during one of its apparitions behind low cloud. This was witnessed by a large number of persons and sworn to on affidavit.