Event of the year

[htpcl]

There's about a week remaining until the end of the year, but I guess we should've gotten some idea of the major events for 2015. So what, in your opinion, are the most significant events of the passing year? Both worldwide and domestically. You're welcome to elaborate why you think they've had the biggest impact, as well. So here's a poll:

Poll 2015 top events

Oh, and happy holidays everybody!