May 30 has been a day marked by monumental achievements and memorable moments across the world’s history, spanning science, politics, culture, and exploration. 1431 – The Trial of Joan of Arc Concludes On May 30, 1431, the trial of Joan of Arc ended with her condemnation for heresy and witchcraft by an ecclesiastical court in Rouen, France. Joan, a young peasant girl who claimed divine guidance, had led French forces to key victories during the Hundred Years’ War. Despite her pivotal role, political and religious authorities found her guilty, and she was sentenced to death. Her execution took place shortly after, making her a martyr and later a symbol of French unity and resistance. 1539 – Hernando de Soto Reaches the Mississippi River Spanish explorer Hernando de Soto’s expedition became the first recorded European expedition to encounter the Mississippi River on May 30, 1539. This discovery significantly impacted the European understanding
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