WHAT HAPPENED ON 15. JUNE
Want to find out what all happened on 15. June

Assyrians record a solar eclipse that is later used to fix the chronology of Mesopotamian history. (15. June 763. BC)

Battle of Soissons: King Robert I of France is killed and King Charles the Simple is arrested by the supporters of Duke Rudolph of Burgundy. (15. June 923)

King Magnus V of Norway is killed at the Battle of Fimreite. (15. June 1184)

King John of England puts his seal to the Magna Carta. (15. June 1215)

Northern Crusades: Danish victory at the Battle of Lyndanisse (modern-day Tallinn) establishes the Danish Duchy of Estonia. According to legend, this battle also marks the first use of the Dannebrog, the world's first national flag still in use, as the national flag of Denmark. (15. June 1219)

With the death of Duke Frederick II, the Babenberg dynasty ends in Austria. (15. June 1246)

The city of Bilbao is founded. (15. June 1300)

Battle of Kosovo: The Ottoman Empire defeats Serbs and Bosnians. (15. June 1389)

Christopher Columbus lands on the island of Martinique on his fourth voyage. (15. June 1502)

Pope Leo X threatens to excommunicate Martin Luther in papal bull Exsurge Domine. (15. June 1520)

Philip II of Spain declares William the Silent to be an outlaw. (15. June 1580)

Margaret Jones is hanged in Boston for witchcraft in the first such execution for the Massachusetts Bay Colony. (15. June 1648)

The first human blood transfusion is administered by Dr. Jean-Baptiste Denys. (15. June 1667)

Benjamin Franklin proves that lightning is electricity (traditional date, the exact date is unknown). (15. June 1752)

American Revolutionary War: George Washington is appointed commander-in-chief of the Continental Army. (15. June 1775)

Delaware Separation Day – Delaware votes to suspend government under the British Crown and separate officially from Pennsylvania. (15. June 1776)

Jean-François Pilâtre de Rozier, co-pilot of the first-ever manned flight (1783), and his companion, Pierre Romain, become the first-ever casualties of an air crash when their hot air balloon explodes during their attempt to cross the English Channel. (15. June 1785)

New Hampshire approves the Twelfth Amendment to the United States Constitution, ratifying the document. (15. June 1804)

Joseph Bonaparte becomes King of Spain. (15. June 1808)

Arkansas is admitted as the 25th U.S. state. (15. June 1836)