15th Amendment

Congress passed the 15th Amendment

Feb 26, 1869

https://www.archives.gov/milestone-documents/15th-amendment

Ratified by the 28th state, Iowa, adding it to the constitution

Feb 3, 1870

Iowa was the 28th state that ratified the 15th amendment, which meant that 2/3 of the states ratified it and it was officially added to the Constitution. https://library.nashville.gov/blog/2020/12/150-years-later-brief-history-15th-amendment-and-other-voting-laws#:~:text=But%20first%2C%20I%20wanted%20to,that%20had%20registered%20to%20vote.