Timeline: Georgia

• 1021 - 1022
  Byzantine emperor Basil II wins victories in Armenia and Georgia.
• 1089 - 1125
  Reign of David IV the Builder over Georgia.
• 1089
  David IV the Builder ascends to the throne of Georgia.
• 1099
  David IV the Builder stops paying tribute to the Seljuk Turks.
• 1103
  The Baghvash family possessions of Kldekari and Trialeti are ceded to the Georgian crown.
• 1103
  David IV the Builder invades Kakhetia.
• 1104
  David IV the Builder convenes a church synod at Ruisi.
• 1105
  Georgian forces under David IV the Builder route the armies of Kakhetia and the Emirate of Ganja at the Battle of Ertsukhi, leading to the reunification of Georgia.
• 1110
  Georgia captures the city of Shamshvilde.
• 1115
  Georgia captures the city of Rustavi.
• 1121
  Georgian forces under David IV the Builder defeat Muslim forces at the Battle of Didgori.
• 1122
  Georgia captures the city of Tbilisi.
• 1123
  Georgia annexes half of the Emirate of Shirvan.
• 1124
  Georgia captures the city of Derbent.
• 1124
  Georgia captures the city of Ani at the invitation of its Armenian population.
• 1125
  David IV the Builder dies and is buried in the Gelati Monastery.
• 1178
  Tamar is crowned queen of Georgia by her father, George III of Georgia (Giorgi III).
• 1184 - 1213
  Reign of Queen Tamar over the Kingdom of Georgia.
• 1184
  Tamar becomes sole monarch of Georgia.
• 1185
  Tamar calls a church synod to try and overthrow Catholicos Mikel Marianisdze.
• 1188
  Tamar’s marriage with Yuri Andreevich Bogolyubsky is annulled.
• 1192
  Tamar gives birth to the future George IV of Georgia (Giorgi IV).
• 1193
  The Georgian army defeats Yuri Andreevich Bogolyubsky, the ex-husband of Tamar, for good.
• 1195
  Georgian forces under David Soslan defeat the combined Muslim armies at the Battle of Shamkor.
• 1202
  Georgian forces under David Soslan defeat the Seljuk army at the Battle of Basiani.
• 1204
  Empire of Trebizond is founded by Alexios I Megas Komnenos and his brother David, with help from their aunt, Queen Tamar of Georgia.
• 1206
  Georgian forces under Tamar occupy the Armenian cities Erzurum and Kars.
• 1207
  Tamar of Georgia’s husband, David Soslan, dies.
• 1209
  The Sultan of Ardabil sacks the Georgian-held Armenian city of Ani.
• 1213
  Queen Tamar of Georgia dies.
• 25 Mar 1776
  The Raid on Tybee Island occurs when Patriot Archibald Bulloch of the Province of Georgia leads a force of militia against British-controlled Tybee Island during the American Revolutionary War. The purpose of the raid was to capture fugitive slaves who had taken refuge with the British forces.
• 27 Jan 1785
  The University of Georgia is chartered in Athens, Georgia, the first state-chartered public university in the United States. Originally known as Franklin College, the University of Georgia would become the model for state-chartered institutions of higher learning throughout the USA.
• 1 Feb 1788
  The first state-level patent for the steamboat in the USA is issued by Georgia to engineers Isaac Briggs and William Longstreet for a steam-engine-powered vessel to run on the Savannah River.
• 30 Mar 1842
  Dr. Crawford W. Long of Jefferson, Georgia, USA, becomes the first person to use ether as an anesthetic during surgery in removing a tumor from the neck of his friend James Venable. Long got the idea from so-called "ether frolics" during which people would inhale ether for fun, noting that they did not seem to feel pain when they fell. Long published his findings in 1849 but, by that time, the first public demonstration had already taken place on 16 October 1846 by William T.G. Morton.
• 3 Mar 1859
  The Great Slave Auction at Ten Broeck Racecourse near Savannah, Georgia is held at which an estimated 436 African Americans are put up for sale to satisfy the debts of their owner, Pierce Mease Butler. Of the 436, 429 were sold with the stipulation that families could not be separated (which was disregarded by some, if not all, buyers) and those not sold were ill, elderly, or infirm and returned to Butler. An article by the journalist Mortimer Thomson, who witnessed the event, appeared shortly afterwards in the New York Tribune, adding to the already high tensions leading up to the American Civil War.
• 11 Apr 1881
  Spelman College is founded in the basement of a church in Atlanta, Georgia, originally called the Atlanta Baptist Female Seminary, established by Harriet E. Giles and Sophia B. Packard, to provide education to Black women and girls of the surrounding region.
• 8 May 1886
  Inventor John Pemberton sells his first glass of Coca-Cola at Jacob's Pharmacy in downtown Atlanta, Georgia, for 5 cents a glass, also available as a soda fountain beverage. The drink was initially marketed for its health benefits.
• 12 Mar 1912
  The Girl Guides is founded in the USA by Juliette Gordon Low in Savannah, Georgia with 18 girls in attendance. In 1913, the name was changed to the Girl Scouts.
• 12 Apr 1945
  US President Franklin Delano Roosevelt dies in office at the age of 63 from a stroke while posing for a portrait at his retreat in Warm Springs, Georgia. He was succeeded by Harry S. Truman and was buried in the rose garden of his Springwood Estate in Hyde Park, New York.
• 7 Dec 1946
  The Winecoff Hotel Fire breaks out at the Winecoff Hotel in Atlanta, Georgia, advertised as fireproof because its exterior was so, but its interior was not. The hotel opened in 1913 with a single stairway for all fifteen floors and had not been updated. When the fire broke out on the third floor, anyone above became trapped, forcing people to leap from windows, contributing to the overall death toll of 119. The fire led to changes in building codes in the USA, especially concerning multiple staircases in public buildings.
• 8 Apr 1974
  Hank Aaron, playing for the Atlanta Braves, breaks Babe Ruth's all-time home run record when he hits his 715th career home run in the fourth inning off pitcher Al Downing of the Los Angeles Dodgers at Atlanta-Fulton County Stadium, Atlanta Georgia.