Year 770 (DCCLXX) was a common year starting on Monday (link will display the full calendar) of the Julian calendar. The denomination 770 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.
770 in various calendars
770
DCCLXX
1523
219
ԹՎ ՄԺԹ
5520
691–692
177
1720
1314
132
6278–6279
己酉年 (Earth Rooster)
3467 or 3260
— to —
庚戌年 (Metal Dog)
3468 or 3261
486–487
1936
762–763
4530–4531
826–827
691–692
3870–3871
10770
148–149
152–154
Jingo-keiun 4 / Hōki1
(宝亀元年)
664–665
770
DCCLXX
3103
1142 before ROC
民前1142年
−698
1081/1082 AG
1312–1313
阴土鸡年
(female Earth-Rooster)
896 or 515 or −257
— to —
阳金狗年
(male Iron-Dog)
897 or 516 or −256