Titanic tragedy shocks the world
Scouting is established in the United States
Immigrants arrive in record numbers
Hollywood produces feature films
Americans die in Lusitania sinking
U.S. troops pursue Pancho Villa
America enters World War I
American aces join the air war
President Wilson proposes peace
First woman elected to Congress
Deadly flu kills millions
Treaty of Versailles brings an uneasy peace
Congress rejects the League of Nations.
