May 30 has witnessed several significant historical events. In 1937, a tragic incident occurred in South Chicago when police opened fire on steelworkers protesting near the Republic Steel plant, resulting in the deaths of 10 individuals. This date also marks the execution of Joan of Arc in 1431 in Rouen, France, condemned as a heretic. Other notable events include the first Indianapolis 500 auto race held in 1911, where Ray Harroun emerged victorious, and the dedication of the Lincoln Memorial in Washington, D.C., in 1922, attended by prominent figures such as President Warren G. Harding and Chief Justice William Howard Taft. Additionally, in more recent history, Elizabeth Holmes, the former CEO of Theranos, began serving an 11-year sentence in 2023 for her role in a fraudulent blood-testing scheme. This date is also marked by various birthdays, including actor Keir Dullea and country singer Wynonna Judd.