Panama Pacific International Exposition

Post offices and exhibitions go hand in hand. Imagine a World’s Fair and Exposition that covered 635 acres, much of it sitting on land that once was covered with water. That is what happened 100 years ago in San Francisco, when the city built the Panama-Pacific International Exposition (PPIE). This event took place in what is now San Francisco’s Marina District, a stately neighborhood with elegant homes and thriving businesses, popular with singles, young families and seniors, to celebrate both the completion of the Panama Canal and the city’s recovery from the great earthquake and fire…