Sources

http://history.state.gov/milestones/1914-1920/League

http://www.historylearningsite.co.uk/leagueofnations.htm

http://www.history.com/this-day-in-history/league-of-nations-instituted

http://www.indiana.edu/~league/timeline.htm

http://www.johndclare.net/league_of_nations4.htm

http://www.timetoast.com/timelines/league-of-nations-timeline--6

http://www.historylearningsite.co.uk/leagueofnations.htm