Slapped cheek disease (also known as fifth disease or parvovirus B19). Incubation period: 1-20 days. Infectious period: A few days before the rash appears (children are no longer contagious when the rash appears).Symptoms: 1  It begins with a fever and nasal discharge.2  A bright red rash, like the mark left by a slap, appears on the cheeks.ncubation period: 1-20 days. Infectious period: A few days before the rash appears (children are no longer contagious when the rash appears). Symptoms: 1  It begins with a fever and nasal discharge. 2  A bright red rash, like the mark left by a slap, appears on the cheeks.
#1. The First Photograph. The worldâs first photograph made in a camera was taken in 1826 by Joseph NicÃ©phore NiÃ©pce. The photograph was taken from the upstairâs windows of NiÃ©pceâs estate in the Burgundy region of France.
1 After printing on albumen paper, the images are cut apart and glued to calling-card-size mounts.  1861 â James Clerk Maxwell presents a projected additive color image of a multicolored ribbon, the first demonstration of color photography by the three-color method he suggested in 1855. It uses three separate black-and-white photographs taken and projected through red, green and blue color filters.