WWI/Progressive Era By FangtheDragoon Apr 12, 1898 Spanish-American War Dec 6, 1904 Roosevelt Corollary Oct 10, 1913 Panama Canal Finished May 7, 1915 Sinking of the Lusitania May 14, 1916 Sussex Pledge Jan 11, 1917 Zimmerman Telegram Jan 16, 1919 18th Amendment Aug 18, 1920 19th Amendment Oct 27, 1927 The Great Depression Begins Jan 23, 1933 20th Amendment
