Devereaux Online

November 20 ~ On this day in 1931 AT&T instigated the first commercial teletype service. On November 20, 1967, at 11:00 a.m., the Census Clock at Department of Commerce ticked past 200 million. Learn more about the science of population forecasting @ your library.

November 20, Fire damages Chemistry building on November 20, 1943. [Twenty-Eighth Biennial Report of the Regents of Education of the State of South Dakota to the Governor for the Biennial Period Ending June 30, 1944, Fiscal Years 1942-43 and 1943-44, Transmitted to the Legislature at the Twenty-Ninth Biennial Session, 1945. pg. 319]