July 28 is:
National Milk Chocolate Day
National Hamburger Day
Maximilien Robespierre and Louis Antoine de Saint-Just were executed by guillotine in Paris, France in 1794 during the French Revolution.
Birthday of Beatrix Potter (July 28, 1866), English author and illustrator of “The Tale of Peter Rabbit”
In 1868, the 14th Amendment to the United States Constitution is certified, establishing African American citizenship and guaranteeing due process of law.
From Today in Science
Earl Silas Tupper (born July 28, 1907 at Berlin, New Hampshire) was an American inventor and manufacturer who introduced Tupperware. In the 1930’s, Tupper invented a flexible, lightweight material that was used to make plastic gas masks during World War II. From working at DuPont (1937-38), he gained experience in plastics design and struck out on his own. In the ’40s, plastic products had a reputation for being brittle, greasy, smelly and generally unreliable. Tupper’s contributions were twofold. First, he developed a method for purifying black polyethylene slag, a waste product produced in oil refinement, into a substance that was flexible, tough, non-porous, non-greasy and translucent. Second, he developed the Tupper seal, an airtight, watertight lid modeled on the lid for paint containers. Together, these innovations laid the foundations for the future success of Tupperware as a consumer product. His company had great success by marketing through Brownie Wise’s idea of Tupperware parties. Earl Tupper died 5 Oct 1983 at age 76.
Birthday of Jacqueline Bouvier Kennedy Onassis (July 28, 1929), wife of John F Kennedy; first lady 1961-1963.