Context The Southern Poverty Law Center maintains a list of publicly supported symbols of the confederacy. It is available [here](https://www.splcenter.org/20160421/whose-heritage-public-symbols-confederacy). There data table can be downloaded in multiple formats [here](https://splcenter.carto.com/tables/confederate_symbols/public) Content I cleaned up the data set a bit. - Removed the following columns: cartodb_id, the_geom,field_1,uid,secondary_class_for_internal_use - Changed 'Unknown' dates to NA - Arranged records by states and by feature_name - Removed Holidays - Changed year_dedicated for the following feature names: - 'City of Confederate Corners' from '1860's (late)' to '1865' (source:http://www.amap1.org/images/2008%20Folder/AMAP%20Newsletter%2012-08.pdf ...says '1865-ish', so just an estimate) - 'Confederate Monument, La Plaza Del Constitucion' from '~1880' to 1879. Source: http://www.drbronsontours.com/bronsonconfederatememorial.html - Changed 'Confederate Women Fountain (Women of the Sixties)' from 1911-1920 to 1916. Source: http://www.arkansaspreservation.com/National-Register-Listings/PDF/PU4770S.nr.pdf - Changed 'Confederate Monument', 'Carline County Courthouse' from 'Unknown (perhaps 1906: see last link in sources)' to 1906. source: 'A History of Caroline County, Virginia', By Marshall Wingfield, page 243 (https://books.google.com/books?id=xxVhymOH3usC&pg=PA276&lpg=PA276&dq=%22caroline+county%22+confederate+memorial+1906&source=bl&ots=qyRGTV13Js&sig=ii-kA__3BhZg9WzTaD5VCKHb3b8&hl=en&sa=X&ved=0ahUKEwjq-eqj-uHVAhUKJCYKHU-aAs4Q6AEIUzAM#v=snippet&q=monument&f=false) - Changed "To Our Soldiers of the Confederacy