866

866 (DCCCLXVI), she blein chadjin v'ee, ghow toshiaght Jemayrt rere feaillere Yool.

Taghyrtyn
 2 Jerrey Souree – Cah Brissarthe: Chur co-armee Britaanagh-Loghlynagh forsaghyn Frankagh fo Robert Niartal fo haart.

Ruggyryn
 19 Mean Fouyir – Leon VI, impir Baisantagh (b. 912)
 Robert I, ree Reeriaght ny Frankee Heear (b. 923)

Baaseyn
 2 Jerrey Souree – Robert Niartal, dooinney ooasle Frankagh