Steve Irwin's family is remembering about him on his special day.

On Monday, Nov. 15, the Steve Irwin two children celebrated his legacy in a series of emotional Instagram posts. "Your legacy will live on forever," Steve's 23-year-old daughterBindi Irwin wrote. "I love for even longer. November 15, Steve Irwin Day." Next to the caption was a throwback of Steve holding Bindi during her childhood days as they sat in front of the ocean.