Charter of the United Nations its articles. Furthermore, Article 103 of the Charter states that obligations to the United Nations prevail over all other treaty obligations. The Charter was opened for signature on 26 June 1945 and was signed at the San Francisco War Memorial and Performing Arts Center in San Francisco, United States, on 26 June 1945, by 50 of the 51 original member countries (Poland, the other original member, which was not represented at the conference, signed it two months later). It entered into force on 24 October 1945, after being ratified by the original five permanent members of the United Nations Security
San Francisco International Airport Airlines and functions as United's primary transpacific gateway. It also serves as a secondary hub for Alaska Airlines. It is a major maintenance hub for United Airlines, and houses the Louis A. Turpen Aviation Museum and Library. SFO is owned and policed by the City and County of San Francisco, but is in San Mateo County. Between 1999 and 2004 the San Francisco Airport Commission operated city-owned SFO Enterprises, Inc., to oversee its business purchases and operations of ventures. The City and County of San Francisco first leased at the present airport site on March 15, 1927, for what was