On this date in 1945, the microwave oven was invented.
From Wikipedia: https://en.wikipedia.org/wiki/Microwave_oven
In 1945, the specific heating effect of a high-power microwave beam was accidentally discovered by Percy Spencer, an American self-taught engineer from Howland, Maine. Employed by Raytheon at the time, he noticed that microwaves from an active radar set he was working on started to melt a candy bar he had in his pocket.
On this date in 1956, the first bra and lingerie catalog came out
On this date in 1960, Thomas Monaghan founded Domino’s Pizza
On this date in 1988, Roy Orbison died of a heart attack at age 52
Image of Roy Orbison courtesy SunRecords.com