Newfoundland
In Newfoundland, the Anti-Confederates, led by businessman Charles Fox Bennett, defeated the government of the pro-Confederation Premier Sir Frederick Carter in 1869, effectively killing Confederation as a saleable proposal for two generations. It wasn't until eighty years after Bennett's victory that Newfoundland finally joined Confederation. The leader was Charles Fox Bennett 1860s-1874.
Read more about this topic: Anti-Confederation Party