Winnie the Pooh Day Winnie the Pooh Day is on the 18th of January every year, it’s a day to celebrate the birth of Alan Alexander Milne (also known as A.A. Milne). Here Are A Few Facts About A.A. Milne & How Winnie The Pooh Was Created A.A. Milne was born on the 18th of January 1882 in …