1923: Adolfo de la Huerta wins the Mexican Civil War. He forms the Second Mexican Empire. 1924: Coolidge is re-elected and reunites the Republican Party. The Summer Olympics are held in San Francisco, while the Winter Olympics are held in Seattle. 1925: Huerta declares war on the US. Mexico invades the Southern United States. Calvin Coolidge declares war on Mexico. The Mexicans are pushed out of the US. The USAF bombs Veracruz. The US invades northern Mexico. Venustiano Carranza seizes power from Huerta, forming a quasi Republic.