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What Happened in August?

Conquests, crusades, and victories. Explore pivotal historical events that took place in August. Dates for earlier events may be approximate.

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1314, August 23-24

The Battle of Bannockburn takes place, where Scottish forces led by Robert the Bruce defeat the English army, securing Scottish independence.

The Treaty of Leake is signed by King Edward II and his cousin, Thomas of Lancaster in Leake, Nottinghamshire. The agreement was a compromise to reconcile the king with Lancaster and his followers and to end the baronial conflict. The treaty reconfirmed the Ordinances of 1311 and granted a pardon to Lancaster and his supporters.

The Battle of Crécy occurs during the Hundred Years' War, where the English army, led by Edward III, defeats the French forces under the command of but King Philip VI of France. was the commanding monarch of the losing French army. 

The St. Mary Magdalene's flood devastates the Netherlands, England, and Germany, causing significant loss of life and destruction.

1363, Aug 30 - Oct 4

The naval Battle of Lake Poyang takes place between rival rebel leaders Zhu Yuanzhang and Chen Youliang who competed during the Red turban Rebellion to overthrow the Yuan dynasty and establish a new one. The battle resulted in Zhu destroying Chen's fleet and the death of Chen himself. 

King Richard II of England surrenders to his cousin Henry Bolingbroke at Flint Castle on August 19, 1399. Richard was forced to abdicate and Henry crowned himself King Henry IV, beginning the Lancastrian dynasty and ultimately leading to the Wars of the Roses. Richard was imprisoned in the Tower of London before his death in February 1400.

The University of St. Andrews in Scotland is chartered by a papal bull from Avignon Pope Benedict XIII.

King Henry V of England dies, and his infant son Henry VI, who was just nine months old, becomes the king, resulting in the minority rule and political instability in England. Shortly after, his maternal grandfather, Charles VI of France, also died, and Henry VI also became the titular King of France. 

on The Congress of Arras opens during the 199 Year war between representatives of England, France and Burgundy. The Congress concluded on September 21,1435[

King Afonso V of Portugal dies, and his son, John II, becomes king.

The Sistine Chapel in the Vatican is consecrated and inaugurated by Pope Sixtus IV, on August 15, 1483. The completed ceiling frescoes by Michelangelo were revealed to the public during a solemn Mass celebrated by Pope Julius II on November 1, 1512

The Battle of Bosworth Field. The last significant battle of the Wars of the Roses, the civil war between the houses of Lancaster and York that extended across England. The battle was won by an alliance of Lancastrians and disaffected Yorkists. Their leader Henry Tudor, Earl of Richmond, became the first English monarch of the Tudor dynasty by his victory and subsequent marriage to a Yorkist princess. His opponent Richard III, the last king of the House of York, was killed during the battle. Historians consider the Bosworth Field battle one of the defining moments of English history. More

Christopher Columbus sets sail from Palos de la Frontera, Spain, with three ships, La Niña, La Pinta and Santa Maria, searching for a westerly route to the Far East. Seventy days later, on October 12th, 1492 he lands on an island in the Bahamas that he named San Salvador. 

Explorer Christopher Columbus, during his third trip, lands on South America at the Paria Peninsula in present-day Venezuela. Thinking it was an island, he claims it for Spain and christened it "Isla Santa".

Spanish conquistador Hernándo Cortés captures Tenochtitlan the capital of the Aztec Empire after over two months of fighting, winning the Aztec Empire for Spain. Cortes' conquests began with Cuba in 1511, Mexico’s Bay of Campeche in 1519, and then deeper into Mexico.

Ottoman Sultan, Suleiman the Magnificent, defeats the Hungarian forces at the Battle of Mohács battle that resulted in the death of King Louis II and much of the Hungarian nobility. This catastrophic defeat led to the partition of Hungary and marked the end of the Hungarian Jagiellonian dynasty, ushering in a period of Ottoman control and influence in the region for over 150 years and sustained Ottoman–Habsburg wars. Sultan Suleiman I, inherited the throne of the Ottoman Empire at the age of 26. He was the only son of Selim I, who conquered Mecca, Medina, Jerusalem and Alexandria. More

1537, c. August

The Matthew Bible, the first complete English-language Bible, is printed by John Rogers in 1537, under the pseudonym "Thomas Matthew". 

1539, Circa August

King Francis I of France issues the Ordinance of Villers-Cotterêts, making French the official language of legal documents.

Pierre de Monte becomes the Grand Master of the Knights Hospitaller (Knights of Malta) after the death of Jean Parisot de Valette on August 21, 1568

The St. Bartholomew's Day Massacre occurs in France, resulting in the killing of thousands of Huguenots (Protestants). following the assassination attempt on Admiral Coligny. Catholic mobs targeted thousands of Huguenots (French Protestants), leading to widespread killings in Paris and other parts of France. Estimates for the total number of deaths vary widely, from about 2,000 to as many as 70,000.