- 787 – Second Council of Nicaea: The council assembles at the church of Hagia Sophia.
- 1180 – Manuel I Komnenos, the last Byzantine Emperor of the Komnenian restoration, dies.
- 1568 – Spanish naval forces defeat an English fleet, under the command of John Hawkins, at the Battle of San Juan de Ulúa near Veracruz.[1]
- 1645 – The Battle of Rowton Heath is a Parliamentarian victory over a Royalist army commanded in person by King Charles.
- 1674 – Second Tantrik Coronation of Shivaji.
- 1789 – The United States Congress passes the Judiciary Act, creating the office of the Attorney General and federal judiciary system and ordering the composition of the Supreme Court.
- 1830 – A revolutionary committee of notables forms the Provisional Government of Belgium.
- 1841 – The Sultanate of Brunei cedes Sarawak to the United Kingdom.
- 1846 – Mexican–American War: General Zachary Taylor captures Monterrey.
- 1852 – The first airship powered by (a steam) engine, created by Henri Giffard, travels 17 miles (27 km) from Paris to Trappes.
- 1853 – Admiral Despointes formally takes possession of New Caledonia in the name of France.
- 1869 – Gold prices plummet after President Grant orders the Treasury to sell large quantities of gold after Jay Gould and James Fisk plot to control the market.
- 1877 – The Battle of Shiroyama is a decisive victory of the Imperial Japanese Army over the Satsuma Rebellion.
- 1890 – The Church of Jesus Christ of Latter-day Saints officially renounces polygamy.
- 1906 – U.S. President Theodore Roosevelt proclaims Devils Tower in Wyoming as the nation’s first National Monument.
- 1906 – Racial tensions exacerbated by rumors lead to the Atlanta Race Riot, further increasing racial segregation.
- 1911 – His Majesty’s Airship No. 1, Britain’s first rigid airship, is wrecked by strong winds before her maiden flight at Barrow-in-Furness.
- 1929 – Jimmy Doolittle performs the first flight without a window, proving that full instrument flying from take off to landing is possible.
- 1932 – Gandhi and Dr. Ambedkar agree to the Poona Pact, which reserved seats in the Indian provincial legislatures for the “Depressed Classes” (Untouchables).
- 1935 – Earl and Weldon Bascom produce the first rodeo ever held outdoors under electric lights.
- 1946 – Cathay Pacific Airways is founded in Hong Kong.
- 1946 – The top-secret Clifford-Elsey Report on the Soviet Union is delivered to President Truman.
- 1948 – The Honda Motor Company is founded.
- 1950 – The eastern United States is covered by a thick haze from the Chinchaga fire in western Canada.[2]
- 1957 – President Eisenhower sends the 101st Airborne Division to Little Rock, Arkansas, to enforce desegregation.
- 1960 – USS Enterprise, the world’s first nuclear-powered aircraft carrier, is launched.
- 1968 – First episode of 60 Minutes airs on television.[3]
- 1972 – Japan Airlines Flight 472 lands at Juhu Aerodrome instead of Santacruz Airport in Bombay, India.
- 1973 – Guinea-Bissau declares its independence from Portugal.
- 1975 – Southwest Face expedition members become the first persons to reach the summit of Mount Everest by any of its faces, instead of using a ridge route.
- 1993 – The Cambodian monarchy is restored, with Norodom Sihanouk as king.
- 1996 – Representatives of 71 nations sign the Comprehensive Nuclear-Test-Ban Treaty at the United Nations.
- 2005 – Hurricane Rita makes landfall in the United States, devastating portions of southwestern Louisiana and extreme southeastern Texas.
- 2007 – Between 30,000 and 100,000 people take part in anti-government protests in Yangon, Burma, the largest in 20 years.
- 2007 – India wins the first ever Twenty20 Cricket World Cup.
- 2008 – Thabo Mbeki resigns as president of South Africa
- 2009 – The G20 summit begins in Pittsburgh with 30 global leaders in attendance.
- 2009 – Airlink Fight 8911 crashes near Durban International Airport in Durban, South Africa, killing the captain and injuring the rest of the crew.[4]
- 2013 – A 7.7-magnitude earthquake strikes southern Pakistan, killing at least 327 people.
- 2014 – The Mars Orbiter Mission makes India the first Asian nation to reach Mars orbit, and the first nation in the world to do so in its first attempt.
- 2015 – At least 1,100 people are killed and another 934 wounded after a stampede during the Hajj in Saudi Arabia.
- 2019 – An impeachment inquiry is initiated by the United States House of Representatives against President Donald Trump.
-Source: wikipedia