Portal:National Register of Historic Places/Did you know/5

...that the Rosie the Riveter/World War II Home Front National Historical Park is the first national tribute to home front American women?
...that although a response to the 1885 Endicott Board recommendations for the coastal defense of San Francisco, the batteries at Fort Miley were not completed until 1902?
...that Battery Chamberlin contains one of the last disappearing guns on the West Coast of the United States?
...that in five years of operation during World War II, more than 747 vessels were built in the Richmond Shipyards in Richmond, California—a feat not equaled anywhere else in the world, before or since?
...that Helen Hunt Jackson's 1884 novel Ramona was set at Rancho Camulos in Piru, California?