The 620s decade ran from January 1, 620, to December 31, 629.
The 830s decade ran from January 1, 830, to December 31, 839.
The 780s decade ran from January 1, 780, to December 31, 789.
The 650s decade ran from January 1, 650, to December 31, 659.
The 660s decade ran from January 1, 660, to December 31, 669.
The 670s decade ran from January 1, 670, to December 31, 679.
The 680s decade ran from January 1, 680, to December 31, 689.
The 690s decade ran from January 1, 690, to December 31, 699.
Year 626 (DCXXVI) was a common year starting on Wednesday of the Julian calendar. The denomination 626 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
Year 629 (DCXXIX) was a common year starting on Sunday of the Julian calendar. The denomination 629 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
Year 781 (DCCLXXXI) was a common year starting on Monday of the Julian calendar. The denomination 781 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
Year 839 (DCCCXXXIX) was a common year starting on Wednesday of the Julian calendar.
Year 642 (DCXLII) was a common year starting on Tuesday of the Julian calendar. The denomination 642 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
Year 654 (DCLIV) was a common year starting on Wednesday of the Julian calendar. The denomination 654 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
Year 660 (DCLX) was a leap year starting on Wednesday of the Julian calendar. The denomination 660 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
Year 698 (DCXCVIII) was a common year starting on Tuesday of the Julian calendar. The denomination 698 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
Year 673 (DCLXXIII) was a common year starting on Saturday of the Julian calendar. The denomination 673 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
Year 679 (DCLXXIX) was a common year starting on Saturday of the Julian calendar. The denomination 679 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
Year 730 (DCCXXX) was a common year starting on Sunday of the Julian calendar. The denomination 730 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
The 600s decade ran from January 1, 600, to December 31, 609.
