TRIGGER WARNING: It is all about old Caucasian guys.
For John, BLUF: Enjoying the day off. Nothing to see here; just move along.
When I was young this was two separate holidays, President Washington's Birthday and President Lincoln's Birthday, and then some bright individual decided to consolidate them, perhaps for efficiency. Or perhaps to avoid another holiday, on 30 January, for FDR's Birthday.
Hat tip to the InstaPundit.
Regards — Cliff