1st » The Government of the United States known as U.S. government releases the plaintext named unencrypted text of the Zimmermann Telegram to the public.
2nd » The enactment of the Jones-Shafroth Act grants Puerto Rico e.g Puerto Ricans United States citizenship.
4th » Jeannette Rankin of Montana becomes the first female member of the United States House of Representatives.
8th » The United States Senate votes to limit filibusters by adopting the cloture rule.
10th » Some Provinces of the Philippines named provinces and Cities of the Philippines or cities in the Philippines were incorporated due to the ratification of Act No. 2711 or the Administrative Code of the Philippines.
11th » World War I:Mesopotamian Campaign — Baghdad Fall of Baghdad (1917) named falls to Anglo-Indian forces commanded by General Frederick Stanley Maude e.g Stanley Maude.
15th » Tsar Nicholas II of Russia abdicates the Russian throne and his brother the Grand Duke becomes Tsar.
25th » The Georgian Orthodox Church restores its autocephaly abolished by Imperial Russia in 1811.
26th » World War I: First Battle of Gaza United Kingdom e.g British troops are halted after 17,000 Turkish people known as Turks block their advance.
31st » The United States takes possession of the Danish West Indies after paying $25 million to Denmark, and renames the territory the United States Virgin Islands.