Angel Island timeline By mrweberkcms Jan 1, 1848 First Chinese entered California Period: Jan 1, 1848 to Jan 1, 1970 Angel Island Jan 1, 1882 Chinese exclusion act Jan 1, 1905 Construction began May 15, 1910 Station put to operation Jan 1, 1914 World War 1 Jan 1, 1920 Estimated 19,000 Japanese "picture brides" were processed through Angel Island Jan 1, 1940 Government abandoned immigration station Jan 1, 1941 The station property was turned back to the Army. North Garrison of Fort McDowell Jan 1, 1970 The detention barracks was scheduled for destruction