History Events on June 15

King Hussein of Jordan marries American Lisa Halaby, who takes the name Queen Noor.

#Hussein_of_Jordan

In the Saskatchewan general election, the CCF, led by Tommy Douglas, is elected and forms the first socialist government in North America.

#1944_Saskatchewan_general_election

Pope Leo X threatens to excommunicate Martin Luther in Exsurge Domine.

#Pope_Leo_X

United States President Woodrow Wilson signs a bill incorporating the Boy Scouts of America, making them the only American youth organization with a federal charter.

#Woodrow_Wilson

The deadliest tsunami in Japan's history kills more than 22,000 people.

#1896_Sanriku_earthquake

Israel and Vatican City establish full diplomatic relations.

#Israel

World War II: Operation Ariel begins: Allied troops start to evacuate France, following Germany's takeover of Paris and most of the nation.

#World_War_II

In the Philippines, Mount Pinatubo erupts in the second largest volcanic eruption of the 20th century, killing over 800 people.

#Mount_Pinatubo

Charles Goodyear receives a patent for vulcanization, a process to strengthen rubber.

#Charles_Goodyear

Nik Wallenda becomes the first person to successfully tightrope walk directly over Niagara Falls.

#Nik_Wallenda

First flight of the Vickers Wellington bomber.

#Vickers_Wellington

Eadweard Muybridge takes a series of photographs to prove that all four feet of a horse leave the ground when it runs; the study becomes the basis of motion pictures.

#Eadweard_Muybridge

A new border treaty between Germany and Denmark gives northern Schleswig to Denmark.

#Duchy_of_Schleswig

American Civil War: The Second Battle of Petersburg begins.

#American_Civil_War

New Hampshire approves the Twelfth Amendment to the United States Constitution, ratifying the document.

#New_Hampshire

With the death of Frederick II, Duke of Austria, the Babenberg dynasty ends in Austria.

#Frederick_II,_Duke_of_Austria

Arkansas is admitted as the 25th U.S. state.

#Arkansas

Pig War: Ambiguity in the Oregon Treaty leads to the "Northwestern Boundary Dispute" between United States and British/Canadian settlers.

#Pig_War_(1859)

The Oregon Treaty establishes the 49th parallel as the border between the United States and Canada, from the Rocky Mountains to the Strait of Juan de Fuca.

#Oregon_Treaty

In a decisive battle at Onon River, the Mongol forces of Oljei Temur were decimated by the Chinese armies of the Yongle Emperor.

#Yongle_Emperor's_campaigns_against_the_Mongols

Louis II is crowned as king of Italy at Rome by pope Sergius II.

#Louis_II_of_Italy

Assyrians record a solar eclipse that is later used to fix the chronology of Mesopotamian history.

#Assyria

Crown Prince Wilhelm becomes Kaiser Wilhelm II; he will be the last Emperor of the German Empire. Due to the death of his predecessors Wilhelm I and Frederick III, 1888 is the Year of the Three Emperors.

#Wilhelm_II,_German_Emperor

Joseph Bonaparte becomes King of Spain.

#Joseph_Bonaparte

At the Battle of Rozgony, King Charles I of Hungary wins a decisive victory over the family of Palatine Amade Aba.

#Battle_of_Rozgony

After the death of dictator Francisco Franco in 1975, the first democratic elections took place in Spain on this day.

#Francisco_Franco

Arlington National Cemetery is established when 200 acres (0.81 km2) of the Arlington estate (formerly owned by Confederate General Robert E. Lee) are officially set aside as a military cemetery by U.S. Secretary of War Edwin M. Stanton.

#Arlington_National_Cemetery

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.

#Battle_of_Soissons_(923)

Delaware Separation Day: Delaware votes to suspend government under the British Crown and separate officially from Pennsylvania.

#Delaware

Rembrandt's painting Danaë is attacked by a man (later judged insane) who throws sulfuric acid on the canvas and cuts it twice with a knife.

#Rembrandt

Henry Ossian Flipper becomes the first African American cadet to graduate from the United States Military Academy.

#Henry_Ossian_Flipper

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

#Benjamin_Franklin

The United States Great Smoky Mountains National Park is founded.

#Great_Smoky_Mountains_National_Park

The first human blood transfusion is administered by Dr. Jean-Baptiste Denys.

#Blood_transfusion

The Troubles: The Provisional Irish Republican Army (IRA) detonates a powerful truck bomb in the middle of Manchester, England, devastating the city centre and injuring 200 people.

#The_Troubles

World War II: Battle of Saipan: The United States invade Japanese-occupied Saipan.

#Battle_of_Saipan

Red Army Faction co-founder Ulrike Meinhof is captured by police in Langenhagen.

#Red_Army_Faction

Christopher Columbus lands on the island of Martinique on his fourth voyage.

#Christopher_Columbus

Charles Manson goes on trial for the Sharon Tate murders.

#Charles_Manson

Bessie Coleman earns her pilot's license, becoming the first female pilot of African-American descent.

#Bessie_Coleman

The city of Bilbao is founded.

#Bilbao

The first stone of Fort Ricasoli is laid down in Malta.

#Fort_Ricasoli

Battle of Kosovo: The Ottoman Empire defeats Serbs and Bosnians.

#Battle_of_Kosovo

Leaders of the People's Republic of China, Russia, Kazakhstan, Kyrgyzstan, Tajikistan and Uzbekistan formed the Shanghai Cooperation Organisation.

#Shanghai_Cooperation_Organisation

The United States Supreme Court rules in United States v. Álvarez-Machaín that it is permissible for the United States to forcibly extradite suspects in foreign countries and bring them to the United States for trial, without approval from those other countries.

#Supreme_Court_of_the_United_States

A bomb explodes on a bus in the Pakistani city of Quetta, killing at least 25 people and wounding 22 others.

A German expedition led by Karl Wien loses sixteen members in an avalanche on Nanga Parbat. It is the worst single disaster to occur on an 8000m peak.

John Alcock and Arthur Brown complete the first nonstop transatlantic flight when they reach Clifden, County Galway, Ireland.

A fire aboard the steamboat SS General Slocum in New York City's East River kills 1,000.

The Provisional Army of the United States is dissolved.

Margaret Jones is hanged in Boston for witchcraft in the first such execution for the Massachusetts Bay Colony.

Northern Crusades: Danish victory at the Battle of Lindanise (modern-day Tallinn) establishes the Danish Duchy of Estonia.

King John of England puts his seal to Magna Carta.

King Magnus V of Norway is killed at the Battle of Fimreite.