(1955) Ray Kroc opened the first McDonald's restaurant in Des Plaines on this day. Within five years, there were more than 100 McDonalds in the US, and in 1975 the company passed the $1 billion profit margin.
(1925) The first Rand McNally road atlas was published. The company originally started as a print shop making tickets for the Chicago railroad system, though started making maps when it invented a new printing process in the 1870s.
(1923) Insulin became widely available, just one year after the first test injection.
(1892) General Electric was incorporated. Thomas Edison had founded the company about ten years previously, though the company came into its modern day form on this day when GE merged with the Thomas-Houston Company. Only 100 shares were sold, each at $100 USD.
(1755) A Dictionary of the English Language was published. The dictionary was written virtually single-handed by Sam Johnson, and was the most respected and widely used dictionary in the world until the Oxford English Dictionary was published in 1955.