6 dated entries naming North Yorkshire, drawn from 6 separate years between 651 CE and 1975 CE. Nothing here is written by us: each line is the sentence a Wikipedia year article used, and the link beside it opens the exact revision.
651King Oswiu of Bernicia declares war on his rival, King Oswine of Deira. Oswine refuses to engage him in battle, and retreats to Gilling (North Yorkshire). Oswine is betrayed by a friend, and murdered by Oswiu's soldiers.source
8th century
762King Æthelwald of Northumbria marries his queen, Æthelthryth, at Catterick (North Yorkshire).source
11th century
1070Construction of Richmond Castle in North Yorkshire, England, by Alan Rufus begins.source
12th century
1151Bolton Abbey is founded in North Yorkshire, England.source
15th century
1492Ermysted's Grammar School, Skipton, North Yorkshire, is founded.source
20th century
1975May 27 – The Dibbles Bridge coach crash near Grassington, North Yorkshire, England, results in 32 deaths (the highest toll in a United Kingdom road accident).source