On January 9, 1839, the Daguerreotype photo process was announced at the French Academy of Science. From the article:
"January 9, 1839: Daguerreotype photography process revealed
On January 9, 1839, the French Academy of Sciences announced the first successful form of photography, Louis-Jacques-Mandé Daguerre’s daguerreotype photography process, to the world. Read more at EarthSky and at Project Gutenberg.
When the Eiffel Tower was built in the late 1880s, Daguerre’s name was inscribed on its base next to those of 71 other influential French scientists and inventors. More information about Louis-Jacques-Mandé Daguerre at History.com and at Encyclopædia Britannica.
In 1988 the Daguerreian Society was formed as a group “dedicated to the history, science, and art of the daguerreotype”. It brings together a community of people from all over the world, who are united by a common interest in and passion for early photography of all types. Find out more at its official website.
In In 2009, Korske Ara, a passionate young photographer from Australia launched the World Photo Day Project with the dream to unite local and global communities in a worldwide celebration of photography."