1926 – University of Arizona Pi Sigma Alpha Chapter of Mortar Board founded

1933 – Women’s Day at the University of Arizona is founded with Mortar Board ‘tapping’ ceremony as the highlight

1939-1945 – World War II circumstances prompt start of “Chocolate Cake” tradition

1975 – First class of five men ‘tapped’ into Mortar Board

2008 - First annual neighborhood clean-up event