A vintage American historical document titled 1971 National Poison Prevention Week Proclamation signed by President Richard Nixon. Proclamations of this nature were often issued by Presidents to raise awareness and promote important causes. National Poison Prevention Week, typically observed in March, aims to educate the public about the dangers of poisoning and promote measures to prevent accidental poisonings. The signature of President Richard Nixon adds a personal touch and historical significance to the document. Nixon served as the 37th President of the United States from 1969 to 1974. His presidency was marked by several major events, including the Vietnam War. Framed. Vintage American Historical Documents For Collectors.