- August 8, 1220 Sweden was defeated by Estonian tribes in the Battle of Lihula.
- August 8, 1509 “The Emperor Krishnadeva Raya is crowned, marking the beginning of the regeneration of the Vijayanagara Empire.”
- August 8, 1576 The cornerstone for Tycho Brahe’s Uraniborg observatory is laid on Hven.
- August 8, 1585 John Davis enters Cumberland Sound in quest for the Northwest Passage.
- August 8, 1588 “Anglo-Spanish War: Battle of Gravelines – The naval engagement ends, thus ending the Spanish Armada’s attempt to invade England.”
- August 8, 1605 “The city of Oulu, Finland, is founded by Charles IX of Sweden.”
- August 8, 1609 Venetian senate examines Galileo Galilei’s telescope
- August 8, 1647 Irish forces are defeated by British Parliamentary forces at Dangan Hill in Ireland.
- August 8, 1647 The Irish Confederate Wars and Wars of the Three Kingdoms: Battle of Dungans Hill – English Parliamentary forces defeat Irish forces.
- August 8, 1709 “First known ascent in hot-air balloon, Bartolomeu de Gusmao (indoors)”
- August 8, 1786 Mont Blanc on the French- Italian border is climbed for the first time by Jacques Balmat and Dr Michel-Gabriel Paccard.
- August 8, 1789 “First police force, named Nightwatch, is established in Australian colony of NSW.”
- August 8, 1793 The insurrection of Lyon occurred during the French Revolution.
- August 8, 1794 “Joseph Whidbey and George Vancouver lead an expedition to search for the Northwest Passage near Juneau, Alaska.”
- August 8, 1796 Boston African Society establishes with 44 members
- August 8, 1810 “Eminent Urdu poet Mirza Ghalib married Maaroof, daughter of Nawab Ilahi Baksh, and moved to Delhi.”
- August 8, 1815 Napoleon Bonaparte set sail for exile on St Helena
- August 8, 1839 “Beta Theta Pi is founded in Oxford, Ohio.”
- August 8, 1844 Brigham Young chosen Mormon Church head following Joseph Smith death
- August 8, 1844 “The Quorum of the Twelve Apostles, headed by Brigham Young, is reaffirmed as the leading body of The Church of Jesus Christ of Latter-day Saints (the LDS or Mormon Church).”
- August 8, 1860 Queen of Sandwich Islands (Hawaii) arrives in NYC
- August 8, 1863 “American Civil War: Tennessee’s “”military”” Gov. Andrew Johnson freed his personal slaves. During the early 20th century, the day was celebrated by blacks in Tennessee as a holiday.”
- August 8, 1868 Quake destroys Arica Chile
- August 8, 1870 “The Republic of Ploieti, a failed Radical-Liberal rising against Domnitor Carol of Romania.”
- August 8, 1876 Thomas Edison patents mimeograph
- August 8, 1876 Thomas Edison receives a patent for his mimeograph.
- August 8, 1882 Snow falls on Lake Michigan
- August 8, 1890 Daughters of the American Revolution organizes
- August 8, 1890 The Knights of Labor strike the New York Central Railroad August 8.
- August 8, 1900 NSW and Victorian Contingent departs Sydney for the Boxer Rebellion in China
- August 8, 1908 “Wilbur Wright makes his first flight at a racecourse at Le Mans, France. It’s the Wright Brothers’ first public flight and the French public goes wild.”
- August 8, 1909 R S Falkiner of Moonbria sheep station in NSW demonstrates first electric sheep-shears.
- August 8, 1910 The US Army installs the first tricycle landing gear on the Army’s Wright Flyer.
- August 8, 1911 Public Law 62-5 sets the number of representatives in the United States House of Representatives at 435. The law would come into effect in 1913.
- August 8, 1911 The millionth patent is filed in the United States Patent Office by Francis Holton for a tubeless vehicle tire.
- August 8, 1915 Battle for Sari Bair
- August 8, 1916 Battle for Mouquet Farm