The First Amendment gives citizens the right to speak freely, worship freely, and the right to petition against things they don't agree with. It was ratified in 1789 as part of the Bill of Rights by Congress.
The 15th Amendment gave African Americans the right to vote, however it was still only males. It was ratified in 1870 by Congress and proclaimed by Hamilton Fish.
The 19th Amendment gave women the right to vote. It was ratified by Congress in 1920 and Susan B. Anthony was a leader in this movement.