Mississippi Gov. Tate Reeves signed a bill into law Tuesday that will change the state flag by removing the Confederate battle emblem, first included 126 years ago.

The Mississippi state legislature voted on Sunday to replace its state flag, the last in the nation to display the Confederate battle emblem.

Lawmakers in Mississippi voted to remove the Confederate battle emblem from the state flag on Sunday, clearing the way for Republican Gov. Tate Reeves to sign the measure into law.

The legislation mandates the “prompt, dignified and respectful” removal of the flag, which features the blue bars and white stars of the Confederate battle flag, within 15 days.

Mississippi lawmakers voted Sunday to remove the Confederate battle emblem from the state flag, a symbol that has flown for more than 120 years. The state House and Senate approved a...