10th » 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.
23rd » Theodore Roosevelt leaves New York for a post-presidency safari in Africa. The trip is sponsored by the Smithsonian Institution and National Geographic Society.
30th » The Queensboro Bridge in New York City opens, linking Manhattan and Queens.
31st » Serbia accepts Austrian control over Bosnia and Herzegovina.
31st » Construction of the ill fated RMS Titanic begins.
Famous Birthdays on March in 1909
1st » Eugene Esmonde, English lieutenant and pilot (d. 1942)
1st » Winston Sharples, American composer (d. 1978)