« All Events This event has passed. Purple Up! Day — April 15, 2021 April 14, 2021 - April 15, 2021 « Air Force Reserve Birthday — April 14, 2021 Earth Day — April 22, 2021 » Add to calendar Google Calendar iCalendar Outlook 365 Outlook Live Details Start: April 14, 2021 End: April 15, 2021 Event Categories: Holiday, Special