On June 23, 1956, 99.95 percent of Egyptian voters mark their ballots to elect Gamal Abdel Nasser as the first president of the Republic of Egypt. Nasser, who toppled the Egyptian monarchy in 1952 in a military coup, was the only presidential candidate on the ballot. In the same ballot, Nasser’s new constitution, under which Egypt became a one-party socialist state with Islam as the official religion, was approved by 99.8 percent of voters.

On June 23, 1972, Title IX of the education amendments of 1972 is enacted into law. Title IX prohibits federally funded educational institutions from discriminating against students or employees based on sex. It begins: “No person in the United States shall, on the basis of sex, be excluded from participation in, be denied the benefits of, or be subjected to discrimination under any education program or activity receiving Federal financial assistance.” As a result of Title IX, any school that receives any federal money from the elementary to university level—in short, nearly all schools—must provide fair and equal treatment of the sexes in all areas, including athletics.

On June 23, 1993 Lorena Bobbitt chops off the penis of her sleeping husband, John Wayne Bobbitt, with a kitchen knife. She flees their home, tossing the severed organ from her car window as she drives away.

On June 23, 2013, 34-year-old aerialist Nik Wallenda becomes the first person to walk a high wire across the Little Colorado River Gorge near Grand Canyon National Park in Arizona. Wallenda wasn’t wearing a safety harness as he made the quarter-mile traverse on a 2-inch-thick steel cable some 1,500 feet above the gorge. In June of the previous year, Wallenda, a member of the famous Flying Wallendas family of circus performers, became the first person to walk a tightrope over Niagara Falls.