1916 · The First woman elected into the US Congress
Age 0
Jeannette Pickering Rankin became the first woman to hold a federal office position in the House of Representatives, and remains the only woman elected to Congress by Montana.
1917
Age 1
U.S. intervenes in World War I, rejects membership of League of Nations.
1917 · Joining the First World War
Age 1
Starting with the sinking of the RMS Lusitania, which killed 128 American citizens, and many other conflicts with trade from Germany. Congress held a special meeting that resulted in The United States declaring war on Germany. Formally entering the First World War.