Centuries: 6th century - 7th century - 8th century
Decades: 620s 630s 640s 650s 660s - 670s - 680s 690s 700s 710s 720s
Years: 674 675 676 677 678 - 679 - 680 681 682 683 684
Births
Deaths
... provision, called the notwithstanding clause, by which some guarantees can be overridden through a legislative enactment limited to five years, though such an override can ...