Because 10 paid holidays off isn't enough for government employees, or the elected officials who need to pander for their votes:
Senate approves additional personal holiday for state employees
Senate approves additional personal holiday for state employees
OKLAHOMA CITY (April 28th) – On Thursday, the Senate passed legislation to give Oklahoma’s full-time state employees one personal holiday. House Bill 4190 would allow workers to choose from Good Friday, Juneteenth, Statehood Day, Indigenous Peoples Day, or the employee’s birthday. Sen. Kim David, R-Porter, and House Majority Floor Leader Jon Echols, R-Oklahoma City, are the principal authors of the legislation.