Alexander Kerensky might have remained as prime minister of the provisional government a lot longer. He may have succeeded in keeping Russia in WWI. The war may have ended sooner than 11/1918 with the U.S. entering in 1917.
A group of protesters, led by Revolutionary War veteran Daniel Shays, began a 6 month rebellion by taking over the Court of Common Pleas in Northampton; James Bowdin, the governor of Massachusetts, was clearly in the latter group.
Tiber River this is your answer