http://www.summ.org/tj/hi-report/timeline.htm
http://future.state.gov/when/timeline/1866_timeline/annex_hawaii.html
http://www.pbs.org/wgbh/amex/hawaii/timeline.html
http://www.ushistory.org/us/44b.asp
http://www.history.com/this-day-in-history/americans-overthrow-hawaiian-monarchy