I know there are some small decisions that'll butterfly the timeline if they've gone another way, which can serve as a plausible PoD.
Here's articles which listed the decisions including those that made the Titanic sank, averted Kokura from being nuked, and so on.
http://m.ranker.com/list/split-second-decisions-changed-history/stephanroget
http://whatculture.com/history/10-seemingly-insignificant-choices-changed-world-forever
Any more small decisions (preferrably made post-1900) that're "big butterflies" beyond those listed on above linked articles? Bonus thanks if it involved the Space Race.
Here's articles which listed the decisions including those that made the Titanic sank, averted Kokura from being nuked, and so on.
http://m.ranker.com/list/split-second-decisions-changed-history/stephanroget
http://whatculture.com/history/10-seemingly-insignificant-choices-changed-world-forever
Any more small decisions (preferrably made post-1900) that're "big butterflies" beyond those listed on above linked articles? Bonus thanks if it involved the Space Race.