Free Pancakes at IHOP March 4This free event has ended, but find upcoming FreebiEvents here. Celebrate National Pancake Day at IHOP on Tuesday, March 4  and get a free short stack of Buttermilk pancakes. In return for the free pancakes, guests will be asked to consider leaving a donation for Children’s Miracle Network Hospitals or other designated local charities. Since its beginning in 2006, IHOP has raised $13 million to support charities in the communities in which it operates.