On this day: 28 June

Fighters of the First Crusade defeat Kerbogha of Mosul at the battle of Antioch.

A French force heavily defeats a much larger Neapolitan and Spanish army at the battle of Seminara, leading to the creation of the Tercios by Gonzalo de Córdoba.

Charles V is elected Emperor of the Holy Roman Empire.

Sengoku period of Japan: The combined forces of Oda Nobunaga and Tokugawa Ieyasu are victorious in the Battle of Nagashino.

Guadeloupe becomes a French colony.

The Battle of Berestechko between Poland and Ukraine starts.

A New England colonial army captures the French fortifications at Louisbourg (New Style).

American Revolution: Thomas Jefferson and the Committee of Five present the draft of the United States Declaration of Independence to the Second Continental Congress, which orders it to "lie on the table" for further edits by the assembly.

French troops disembark in Corfu, beginning the French rule in the Ionian Islands.

Giselle (title role pictured), a ballet by the French composer Adolphe Adam, was first performed at the Théâtre de l'Académie Royale de Musique in Paris.

Giselle (title role pictured), a ballet by the French composer Adolphe Adam, was first performed at the Théâtre de l'Académie Royale de Musique in Paris.

Belgian musician Adolphe Sax patented his design of the saxophone (example pictured).

Sigma Chi fraternity is founded in North America.

The Army of the Potomac is disbanded.

The US Congress establishes the first federal holidays (New Year Day, July 4th, Thanksgiving, and Christmas).

The Austro–Serbian Alliance of 1881 is secretly signed.

Labor Day becomes an official US holiday.

The U.S. Court of Private Land Claims ruled that James Reavis's claim to 18,600 sq mi (48,000 km2) of land in present-day Arizona and New Mexico was "wholly fictitious and fraudulent".

The U.S. Congress passes the Spooner Act, authorizing President Theodore Roosevelt to acquire rights from Colombia for the Panama Canal.

The Nakhla meteorite (fragments pictured), the first meteorite to suggest signs of aqueous processes on Mars, fell to Earth in Abu Hummus, Egypt.

First World War: Around 55,000 workers in Berlin went on strike to protest against the trial of anti-war campaigner Karl Liebknecht.

World War I: Greece joins the Allied powers.

The Treaty of Versailles is signed, ending the state of war between Germany and the Allies of World War I.

Serbian King Alexander I proclaims the new constitution of the Kingdom of Serbs, Croats and Slovenes, known thereafter as the Vidovdan Constitution.

Mercedes-Benz is formed by Gottlieb Daimler and Karl Benz merging their two companies.

The Japanese puppet state of Mengjiang is formed in northern China.

Romania cedes Bessarabia and Northern Bukovina to the Soviet Union after facing an ultimatum.

Poland's Soviet-allied Provisional Government of National Unity is formed over a month after V-E Day.

Cold War: The Tito–Stalin Split results in the expulsion of the League of Communists of Yugoslavia from the Cominform.

Korean War: Packed with its own refugees fleeing Seoul and leaving their 5th Division stranded, South Korean forces blow up the Hangang Bridge in an attempt to slow North Korea's offensive. The city falls later that day.

Polish workers demanding better working conditions began massive protests in Poznań, but were later violently repressed by the Polish People's Army and the Internal Security Corps.

Malcolm X forms the Organization of Afro-American Unity.

In Regents of the University of California v. Bakke, the U.S. Supreme Court barred quota systems in college admissions but held that affirmative-action programs advantaging minorities were constitutional.

President Slobodan Milošević gave a speech at Gazimestan in which he described the possibility of "armed battles" in the future of Serbia's national development.

Paperback Software, a company founded by Adam Osborne, was found guilty of copyright infringement for using Lotus 1-2-3's look-and-feel interface in its own spreadsheet program.

Holyfield–Tyson II: Mike Tyson is disqualified in the third round for biting a piece off Evander Holyfield's ear.

Slobodan Milošević is extradited to the ICTY in The Hague to stand trial.

Iraq War: Sovereign power is handed to the interim government of Iraq by the Coalition Provisional Authority, ending the U.S.-led rule of that nation.

Honduran president Manuel Zelaya is ousted by a local military coup following a failed request to hold a referendum to rewrite the Honduran Constitution. This was the start of the 2009 Honduran constitutional crisis.

The United States Supreme Court upholds the constitutionality of the Affordable Care Act's individual mandate in National Federation of Independent Business v. Sebelius.