When Confederate statues were erected throughout history

In the past week, confederate statues have been in the spotlight. After the "Unite the Right" rally, which was started in opposition of the removal of a Robert E. Lee statue, turned violent in Charlottesville, other officials across the country began removing statues in their own cities.

While many statues have been up for years, some weren't erected until after the Civil Rights Act. Here's when Confederate memorials were erected throughout history:

Note: Map does not include monuments for which location data was not available; Data: Southern Poverty Law Center; Graphic: Chris Canipe / Axios