The Song Dynasty was responsible for inventing and perfecting the first movable type printing press! I hope this helped you in what you were looking for.
Nirvana. It is the goal in following the Noble Eight-fold Path.
The tax on whiskey by the federal government started the rebellion (the rebels were mostly farmers who used whiskey as a sort of currency), and George Washington personally led 13,000 troops to end the rebellion, but the rebels broke up in fear.
The Cruscades. Without them, we wouldn't have slaughter of other religions.