Complex sentence: They also occurred on the Atlantic northwest coast of the Iberian Peninsula as in 1617 when the African corsairs launched their major attack in the region when they destroyed and sacked Bouzas, Cangas do Morrazo and the churches of Moaña and Darbo.
Split into simpler sentences: They also occurred on the Atlantic northwest coast of the Iberian Peninsula. In 1617, the African corsairs launched their major attack in the region when they destroyed and sacked Bouzas, Cangas do Morrazo and the churches of Moaña and Darbo.