Ray Kroc opened the first McDonald’s fast-food restaurant in Des Plaines, Illinois, on this day in 1955.

Did you know that:

• Leonardo da Vinci was an Italian painter, inventor, and architect born on this day in 1452
• Samuel Johnson’s “A Dictionary of the English Language” was published in London on this day in 1755
• Emma Watson is an English actress and activist born on this day in 1990