SATURDAY, October 21, 2023 Today is the 294th day of 2023 and the 29th day of autumn. TODAY’S HISTORY: In 1879, Thomas Edison successfully tested an electric lightbulb. In 1892, the original “Pledge of Allegiance” was recited by an estimated 12 million schoolchildren across the United States in honor of the 400th anniversary of Columbus’ voyage to the New World. In 1959, the Guggenheim Museum…