While Presidents' Day appears to be largely about sales, there is more to this holiday. Observed on the third Monday of February each year, it is a day to honor all US presidents, past and present. Prior to 1968, Americans celebrated two holidays - February 12th and 22nd in honor of Abraham Lincoln's and George Washington's birthdays respectively.
In 1968, the 90th Congress decided to streamline Federal holidays and combined the two celebrations by calling it Presidents' Day. The law went into effect in 1971 and since then this day has been set aside to pay tribute to all our remarkable leaders.
Happy Presidents' Day!
Resource: wikipedia.org