All times in UTC ·
Dashed edge = started before, or continues beyond, this day
Events on Monday 14 December 1829 1
1829Niépce and Daguerre form photography partnershipAgreement lays groundwork for the daguerreotypeJoseph Nicéphore Niépce, who had produced the earliest known photograph, signed a partnership agreement with Louis Daguerre to jointly develop and improve photographic processes. Their collaboration eventually led to the daguerreotype, announced publicly in 1839. The partnership is a key step in the invention of photography.