Centuries: 6th century 7th century 8th century
Decades: 630s - 640s - 650s - 660s - 670s - 680s - 690s - 700s - 710s - 720s - 730s
Years: 680 681 682 683 684 685 686 687 688 689 690
Events:
... Thomas Edison's cylinder. March 4 - Russo-Japanese War: Russian troops in Korea retreat toward Manchuria followed by 100,000 Japanese troops. April 30 - ...