Shwaili Coast Timeline By matthew.bo18 500 Swahili Coast begins to trade Oct 15, 1100 Gedi founded Oct 15, 1200 Gedi converted to the Islam religion Oct 15, 1400 The Porteguese come to Africa Oct 15, 1400 Gedi was rebuilt Oct 15, 1500 Gedi abandoned for a short time Oct 15, 1600 Gedi is permanatlly abandonded Oct 15, 1698 The Iman leaderr of Oman drove Portagese from the coast Oct 15, 1800 European rule brought charges to Swahili