Complex sentence: Henri Gourarier was knighted in the French Order of Merit 16 December 1990 and 12 May 1997 officer, he was named knighted in the Legion of Honor April 15,2016.
Split into simpler sentences: Henri Gourarier was knighted in the French Order of Merit on 16 December 1990. He was knighted in the Legion of Honor April 15,2016.