[1] It is rooted in the Lost Cause myth prevalent throughout the Southern United States, as Lee was a central figure in Lost Cause mythology due to his social status, military exploits, and personality.

Since then, state law requires the governor to proclaim each January 19 "Robert E. Lee Day".

[6] Florida Statute 683.01(d) marks January 19 as Robert E. Lee Day, although no offices or schools close down for it.

[7] Alabama[8] and Mississippi[9][10] observe it on the third Monday in January, in order to split the date with the federal holiday Martin Luther King Jr.

[14] Georgia formerly called the Friday after Thanksgiving Robert E. Lee Day; now it is only an unnamed paid holiday.