June 28th

In Iraq, the United States transferred power back to the Iraqis two days earlier than planned.
History of Iraq (2003–11)
Serbia handed over Slobodan Milosevic over to the UN war crimes tribunal.
Bosnian genocide
Elian Gonzalez was returned to his father in Cuba.
Elián González
Boxer Mike Tyson bit Evander Holyfield's ear during their heavyweight title fight, earning a 16-month suspension.
Evander Holyfield vs. Mike Tyson II
The Citadel, the Military College of South Carolina, voted to admit women.
Virginia Military Institute
The Supreme Court ruled in Regents of the University of California v. Bakke that the use of quotas in affirmative action programs was not permissible.
Regents of the Univ. of Cal. v. Bakke
A police raid of a gay tavern sparks a series of violent clashes. The Stonewall Riots in New York City marked the beginning of the gay rights movement in the United States. The Christopher Street Day, a yearly observance for Gay Pride in some European countries, is named after the bar's location.
Stonewall riots
Israel annexes East Jerusalem. From Israel's point of view, the annexation effected the reunification of its capital city. However, the international community declared it illegal and views East Jerusalem as Palestinian territory occupied by Israel.
East Jerusalem
The world's first scheduled transatlantic flight takes off. The Boeing 314 Clipper flying boat was operated by Pan Am. It took about 24 hours to reach Marseille, France. The scheduled service was soon discontinued again because of the outbreak of World War II.
Transatlantic flight
Treaty of Versailles, ending WWI and establishing the League of Nations, is signed in France.
Treaty of Versailles
Austrian Archduke Franz Ferdinand and his wife Sophie are assassinated. Gavrilo Princip's attack effected a crisis among Europe's major powers (July Crisis). This ultimately triggered the First World War, which with over 37 million deaths was one of the bloodiest war of all time. Five years later to the day, the Treaty of Versailles formally ended the war.
Assassination of Archduke Franz Ferdinand of Austria
Labor Day became a federal holiday by an act of Congress.
Labor Day
The saxophone is patented. Belgian musician Adolphe Sax developed the woodwind instrument typically made of brass, which in recent decades has heavily influenced the sound of the jazz, military band, rock, and pop musical genres.
Coronation of Queen Victoria in Westminster Abbey, London.
Coronation of Queen Victoria
The fourth president of the United States, James Madison, died at Montpelier, his Virginia estate.
James Madison
King Carlos I elected Holy Roman Catholic Emperor Charles V.
Charles V, Holy Roman Emperor
Ottomans defeat Serbian army in the bloody Battle of Kosovo, opening the way for the Ottoman conquest of Southeastern Europe (see Vidovdan).
Battle of Kosovo