August 30

• August 30, 526
  Theoderic the Great, King of Ostrogoths, dies of dysentery and is succeeded by his grandson Athalaric
• August 30, 1483
  Louis XI, King of France, dies at age 60
• August 30, 1721
  The Peace of Nystad ends the Great Northern War between Sweden and Russia, giving Russia considerably more power in the Baltic region
• August 30, 1862
  Union forces are defeated by the Confederates at the Second Battle of Bull Run in Manassas, Virginia, the culmination of an offensive campaign waged by Confederate Gen. Robert E. Lee's Army of Northern Virginia
• August 30, 1869
  U.S. soldier John Wesley Powell completes exploratory river trip down the Green and Colorado rivers, in which becomes the first Europeans to pass through the Grand Canyon
• August 30, 1909
  Burgess Shale, one of the world's most celebrated fossil fields and the earliest fossil beds containing soft-part imprints, is found by palaeontologist Charles Walcott
• August 30, 1963
  Hot Line communications link between Washington DC and Moscow begins in the wake of the Cuban Missile Crisis
• August 30, 1981
  Mohammad Ali Rajai, president of Iran, and Mohammad Javad Bahonar, prime minister of Iran, are assassinated by a bomb
• August 30, 1991
  American athlete Mike Powell set new world record in long jump, 8.95 m, World Championships in Athletics
• August 30, 1995
  The NATO bombing campaign against Serb artillery positions begins in Bosnia, continuing into October, simultaneously with an ARBiH offensive against the Serb Army around Sarajevo, central Bosnia and Bosnian Krajina