World Photography Day 2021: enthusiasts who share a zeal for the genre come together to give a glimpse of their methods and ideas to the rest of the world.World Photography Day 2021, World Photography Day 2021 Theme: World Photography Day is observed on August 19 every year. The day was particularly selected for celebration in order to mark the purchase of the patent to the 'daguerreotype' camera by the French government, who made it free for use to the entire universe.On this interesting day, photography enthusiasts who share a zeal for the genre come together to give a glimpse of their methods and ideas to the rest of the world. The origin of World Photography Day can be traced back to 1837 in France. Two Frenchmen named Joseph Nicephore Niepce and Louis Daguerre developed the first-ever photographic process by inventing the 'daguerreotype'. After two years, the French Academy of Sciences acknowledged the invention and officially announced the daguerreotype, calling it ‘a gift to the world’.