Historical Events on June 28

21 significant historical events occurred on June 28. June 28 is an important date in world history, marked by events that shaped international relations and culture. On this day in 1914, the assassination of Archduke Franz Ferdinand set off World War I. Exactly five years later, the Treaty of Versailles was signed, ending the conflict between Germany and the Allied Powers. The date also includes cultural events like the first Miss Universe pageant in 1952.