Template:Selected anniversaries/January 17
1822: Statistician, progressive, polymath, sociologist, psychologist, anthropologist, eugenicist, tropical explorer, geographer, inventor, meteorologist, proto-geneticist, and psychometrician Francis Galton dies.
1928: Scrimshaw abuse study finds therapeutic potential of Brownian ratchet.
1961: U.S. President Dwight D. Eisenhower delivers a televised farewell address to the nation three days before leaving office, in which he warns against the accumulation of power by the "military–industrial complex" as well as the dangers of massive spending, especially deficit spending.
1969: Saccharomyces cerevisiae spontaneously generates new type of Brownian ratchet.
2018: New form of Brownian ratchet discovered.
2020: Jekyll, the "perfume for sociopaths", announces record profits.