In 1879 – James Jacob Ritty patented the first cash register as “Ritty’s Incorruptible Cashier”. He was motivated to invent it by the no-good thieving employees at his saloon.
In 1939 – Packard Motor Co. exhibited the first air-conditioned automobile at the 40th Automobile Show in Chicago, Illinois.
In 1952 – Fresh off census duty, the UNIVAC computer projected General Dwight David Eisenhower would defeat Adlai Stevenson for President of the US. All the polls showed Stevenson had a clear advantage so CBS delayed using the projection fearing inaccuracy.