This Mod allows you to travel through time!
In this 1.9 Time Travel Mod Showcase:
This Minecraft Mod adds in a machine that can be used to travel through time. Each place that can be traveled to is a brand new dimension with different mobs. A unique feature of this mod is that many of the mobs actually evolve over time and will be different according to the time period you are visiting.
Get your minecraft mod here: