On this day 67 years ago, on February 1, 1958 (December 13, 1957 lunar calendar), Egypt united with Syria to become the United Arab Republic. The United Arab Republic ("UAE") is a pan-Arab state formed by Egypt and Syria on February 1, 1958. The original plan also included Iraq, but did not join because of the unstable situation. On March 8, 1958, the Kingdom of Mutawakilya (later the Yemen Arab Republic) of Yemen joined as a congregation, and the entire alliance was renamed the "United Arab States" (UnitedStatesofArabia). Due to Egypt's individual hegemonic policies, Syria announced its withdrawal on September 28, 1961, and North Yemen also withdrew in December, but Egypt retained the country name until 1972. 1. The Republic of Egypt (established on June 18, 1953, overthrowing the Farouq dynasty, joined on February 1, 1958, and withdrew on September 28, 1961) 2. The Syrian Republic (independent on April 17, 1946, joined on February 1, 1958, and withdrew on September 28, 1961) 3. The Yemen Arab Republic (formerly the Kingdom of Yemen, joined on March 8, 1958, changed to the Yemen Arab Republic on September 27, 1962, and withdrew in December 1962)