I think this is great execution but I'm not sure I would use it over Wikipedia. If I want to know the timeline of Boko Haram, I think I would get more objective and comprehensive timeline information, with sources, from Wikipedia's page on Boko Haram* than the Timeline.com page.

1 http://en.wikipedia.org/wiki/Boko_Haram#2009

2 https://m.timeline.com/#!/stories/boko-haram-nigeria-history