The 820s decade ran from January 1, 820, to December 31, 829.
The 830s decade ran from January 1, 830, to December 31, 839.
The 870s decade ran from January 1, 870, to December 31, 879.
The 710s decade ran from January 1, 710, to December 31, 719.
The 640s decade ran from January 1, 640, to December 31, 649.
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 690s decade ran from January 1, 690, to December 31, 699.
Year 740 (DCCXL) was a leap year starting on Friday of the Julian calendar, the 740th year of the Common Era (CE) and Anno Domini (AD) designations, the 740th year of the 1st millennium, the 40th year of the 8th century, and the 1st year of the 740s decade. The denomination 740 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 785 (DCCLXXXV) was a common year starting on Saturday of the Julian calendar. The article denomination 785 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. It is still used today in this manner.
Year 826 (DCCCXXVI) was a common year starting on Monday of the Julian calendar, the 826th year of the Common Era (CE) and Anno Domini (AD) designations, the 826th year of the 1st millennium, the 26th year of the 9th century, and the 7th year of the 820s decade.
Year 872 (DCCCLXXII) was a leap year starting on Tuesday of the Julian calendar.
Year 715 (DCCXV) was a common year starting on Tuesday of the Julian calendar. The denomination 715 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 716 (DCCXVI) was a leap year starting on Wednesday of the Julian calendar, the 716th year of the Common Era (CE) and Anno Domini (AD) designations, the 716th year of the 1st millennium, the 16th year of the 8th century, and the 7th year of the 710s decade. The denomination 716 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 704 (DCCIV) was a leap year starting on Tuesday of the Julian calendar, the 704th year of the Common Era (CE) and Anno Domini (AD) designations, the 704th year of the 1st millennium, the 4th year of the 8th century, and the 5th year of the 700s decade. The denomination 704 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 645 (DCXLV) was a common year starting on Saturday of the Julian calendar. The denomination 645 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 949 (CMXLIX) was a common year starting on Monday of the Julian calendar.
Year 873 (DCCCLXXIII) was a common year starting on Thursday of the Julian calendar.
