[Anniversary dates of history of hygiene and sanitation in 1996].
Mirskiĭ
M B
MB
D004739:England; D005602:France; D005858:Germany; D006115:Greece; D049671:History, 18th Century; D049672:History, 19th Century; D049690:History, Ancient; D006920:Hygiene / Q000266:history*; D002094:Republic of Belarus; D012425:Russia (Pre-1917); D012499:Sanitation / Q000266:history*; D014586:USSR; D014455:Ukraine; D014481:United States