Charles Clof Ballou was 3 years old when The Nineteenth Amendment to the United States Constitution was ratified, guaranteeing women's suffrage in America. The Nineteenth Amendment to the United States Constitution prohibits the states and the federal government from denying the right to vote to citizens of the United States on the basis of sex. It was adopted on August 18, 1920.
Charles Clof Ballou was 23 years old when Adolf Hitler signs an order to begin the systematic euthanasia of mentally ill and disabled people. Adolf Hitler was a German politician, demagogue, and Pan-German revolutionary, who was the leader of the Nazi Party, Chancellor of Germany from 1933 to 1945 and Führer ("Leader") of Nazi Germany from 1934 to 1945. As dictator, Hitler initiated World War II in Europe with the invasion of Poland in September 1939, and was central to the Holocaust.
Charles Clof Ballou was 23 years old when The Holocaust: The first prisoners arrive at a new concentration camp at Auschwitz. The Holocaust, also referred to as the Shoah, was a genocide during World War II in which Nazi Germany, aided by its collaborators, systematically murdered some six million European Jews, around two-thirds of the Jewish population of Europe, between 1941 and 1945. Jews were targeted for extermination as part of a larger event involving the persecution and murder of other groups, including in particular the Roma and "incurably sick", as well as ethnic Poles and other Slavs, Soviet citizens, Soviet prisoners of war, political opponents, gay men and Jehovah's Witnesses, resulting in up to 17 million deaths overall.
Charles Clof Ballou was 36 years old when Jonas Salk announced the successful test of his polio vaccine on a small group of adults and children (vaccination pictured). Jonas Edward Salk was an American medical researcher and virologist. He discovered and developed one of the first successful polio vaccines. Born in New York City, he attended New York University School of Medicine, later choosing to do medical research instead of becoming a practicing physician. In 1939, after earning his medical degree, Salk began an internship as a physician scientist at Mount Sinai Hospital. Two years later he was granted a fellowship at the University of Michigan, where he would study flu viruses with his mentor Thomas Francis, Jr.
Charles Clof Ballou died on 8 Oct 1962 at the age of 45