The dedication ceremony of Mills Field Municipal Airport of San Francisco, the original name of San Francisco International Airport, commenced #onthisday in 1927. Thirty-seven airplanes, participating in a State Aeronautical Conference, sat on the ground during the brief ceremony and then roared down the dirt airstrip to fly on to Sacramento. Image: Mills Field Municipal Airport of San Francisco dedication airfield event, 1927. SFO Museum Collection. 2011.032.0006 This image was posted on May 07, 2019.