According to the Federal Government this day is really Washington's Birthday observance. Many people traditionally view this as a day to remember both Washington and Lincoln whose birthday also falls in February. And still others choose to remember all Presidents of the United States on this day. No matter how you choose to celebrate this day here are some resources.
Face of Lincoln is a very interesting informational film that older children might enjoy...parent's too! Here is some information from archive.org where the 21 minute film can be downloaded.
Presents Professor Merrell Gage, retired head of the Department of Sculpture at the University of Southern California, describing the life and career of Abraham Lincoln as he sculpts a lifelike bust of the 16th President, making physical changes in the subject's hair, beard and expression to correspond to events in Lincoln's life.
Biographies of all the presidents are on the White House website.
A REALLY fun book is George Washington's Cows. You'll never believe what all those cows get up to.