As 2015 comes to a close, here are ten notable historical anniversaries to mark in 2016.

As 2015 comes to a close, here are ten influential U.S. foreign policy figures who passed away this year. 

As 2016 comes to a close, here are ten notable historical anniversaries to mark in 2017.

As 2016 comes to a close, here are ten influential U.S. foreign policy figures who passed away this year. 

As 2017 comes to a close, here are ten notable historical anniversaries to mark in 2018.