Military Division of the Pacific Military Division of the Pacific The Military Division of the Pacific was a major command (Department) of the United States Army during the late 19th century. On July 27, 1865 the Military Division of the Pacific was created under Major General Henry W. Halleck, replacing the Department of the Pacific, consisting of the Department of the Columbia that now consisted of the state of Oregon and the territories of Washington and Idaho and the expanded Department of California that now consisted of the states of California and Nevada and the Territory of New Mexico and Territory of Arizona. Headquarters for
California Pacific International Exposition the remaining original buildings to be declared a National Historic Landmark, which was awarded in 1978. In the latter 1990s the buildings most deteriorated or that had burned were carefully rebuilt to restore the original style and scale of the park's public spaces. In October 2010, the National Building Museum in Washington, D.C. opened an exhibition titled "Designing Tomorrow: America's World's Fairs of the 1930s". This exhibition, which was available for view until September 2011, prominently featured the California Pacific International Exposition. California Pacific International Exposition The California Pacific International Exposition was an exposition held in San Diego, California during