This years worldwide pinhole photography day is April 24, 2011.
Submit your pinhole photo to the WPPD site
Related Call for Entries:
Handmade Camera Exhibition
Santa Barbara, California, United States
DEADLINE: Sunday, May 01, 2011
Curious Camera Pinhole and Plastic Camera Competition
Tucson, Arizona, United States
DEADLINE: Friday, April 22, 2011
International Pinhole Contest
Poland
DEADLINE: Wednesday, June 15, 2011