History : 1898 1851 1891 1898 1905 1924 1948 1983 1993 1996 2001 2005 1883 1892 1900 1910 1940 1970 1987 1995 1999 2002 NORISKO event : AIF publishes its first poster: instructions and recommendations outlining regulatory texts Historical background : Spanish-American war Invention of sensitive photographic paper