Anglo-Siamese Treaty: Thailand Cedes Malay States to Britain, March 10, 1909
By signing the Anglo-Siamese Treaty of 1909, Thailand relinquishes its sovereignty over the Malay states of Kedah, Kelantan, Perlis and Terengganu, which become British protectorates. Date: March 10, 1909 Read more on Wikipedia → 📅 Other events on March 10 📅 Events on this day in 1909 📅 On This Day (Today)