From http://tiltforums.com/t/2021-2022-event-planned-dates/6399:
"Updated 02/12/21 with postponement of PATZ and cancellation of GSPF for this year.
List of Planned 2021 Large Events
March 26-28 Frisco, TX - Texas Pinball Festival - cancelled - revised to March 25-27, 2022
April 15-17 Kalamazoo, MI - PATZ / Pinball at the Zoo - postponed to Sept 2-4 2021
May 14-16 Lodi, CA - Golden State Pinball Festival - cancelled - revised to May 13-15, 2022
May 2021 Allentown, PA - Pinfest - postponed to at least late July
June 4-6 Tacoma, WA - Northwest Show
June 11-13 Atlanta, GA - Southern Fried Gaming Festival
June 24-27 Boxboro, MA - Pintastic
October 7-9 York, PA - White Rose Gameroom Show
November 11-14 Ft. Myers, FL - IFPA 17
November 12-14 Grandy, NC - Outer Banks (OBX)
December 3-5 Cincinnati, OH - Pincinnati"