May 15

Arsenal F.C. achieved an unprecedented feat by finishing the 2003–04 Premier League season without losing a single match. Under the management of Arsène Wenger, the team combined a potent attack with a solid defense to dominate opponents both at home and away. This accomplishment echoed the achievement of Preston North End in the inaugural 1888–89 Football League season. Arsenal scored 73 goals while conceding only 26, showcasing their balanced style of play. Key players like Thierry Henry and Patrick Vieira were instrumental in maintaining consistency throughout the campaign. The unbeaten run spanned 38 matches, a record that has stood as a benchmark in English football. The squad’s resilience and tactical innovation cemented its place in sporting history. Their success remains celebrated by fans and analysts as one of the greatest team achievements in football.

At age 16, Jessica Watson departed Australia in May 2009 to embark on a solo, nonstop, and unassisted circumnavigation of the globe. She completed the voyage on May 15, 2010, at just 16 years and 362 days old, breaking the previous record. Sailing over 23,000 nautical miles, she faced treacherous weather, mechanical failures, and isolation. Watson navigated around the three great capes without outside assistance, proving remarkable seamanship and mental resilience. Her boat, Ella's Pink Lady, was specially designed for the voyage and became a symbol of her determination. Upon return, Watson was celebrated globally and received multiple honors and awards. Her journey inspired young adventurers worldwide and sparked discussions on age and ability in extreme sports.