30 October is National Wicked Day in the United States

30 October will officially become National Wicked Day in honor of the musical’s debut at Broadway's Gershwin Theatre on 30 October2003.

This is the first time that a Broadway musical will have its own official day in the National Day Calendar, joining other National Day celebrations such as National Barbie Day (9 March), National Star Trek Day (8 September) and National Acne Positivity Day (1 September).