After Vasco Da Gama's arrival in Kappad Kozhikode in 1498, the Portuguese began to dominate eastern shipping, and the spice-trade in particular.[59][60][61] The Zamorin of Kozhikode permitted the new visitors to trade with his subjects such that Portuguese trade in Kozhikode prospered with the establishment of a factory and a fort. However, Portuguese attacks on Arab properties in his jurisdiction provoked the Zamorin and led to conflicts between them.