May 21 in Pop Culture History May 21st is… American Red Cross Founder’s Day Memo Day Strawberries and Cream Day Waitstaff Day 1863 – Organization of the Seventh-day Adventist Church in Battle Creek, Michigan. 1955 – George B. Hansburg of Walker Valley, N.Y., was issued a patent (#2,793,036) for inventing an improved pogo stick. 1975 […]