The following is a timeline of the history of the city of York, North Yorkshire in northern England.
1st-4th centuries
71 – Quintus Petillius Cerialis and the Roman Legio VIIII Hispana establish a fort (castra) above the River Ouse near its junction with the Foss. City walls probably begun; enlarged until 3rd century. 95–104 – Period of first recorded reference to the city as Eboracum. 107-108 – Last dateable reference to the presence of Legio VIIII Hispana at Eboracum. 119 – Legio VI Victrix arrive in Eboracum. 122 – Emperor Hadrian may have visited the city during his visit to the province. 190–212 – Period during which Claudius Hieronymianus is legatus of Legio VI Victrix based in Eboracum and establishes a temple to Serapis here. 208–211 – Septimius Severus and the Imperial family at Eboracum. Severus campaigns in the Roman invasion of Caledonia, but the city is used to overwinter. 211 – 4 February: Roman emperor Septimius Severus dies at Eboracum. c. 214 – Eboracum becomes the administrative centre of Britannia Inferior. 306 – 25 July: Constantine the Great is acclaimed as Roman emperor by the troops in Eboracum on the death here of his father Constantius Chlorus. 383 – Last substantial Roman presence in the north of England.
5th-10th centuries
625 – 21 July?: Paulinus is consecrated as first Bishop of York. 627 – Paulinus establishes the first (temporary wooden) York Minster for the baptism of King Edwin of Northumbria; and also St Peter's School. 637 – Stone-built predecessor of York Minster dedicated to St Peter completed. 735 – Bishop Ecgbert is elevated to become first Archbishop of York. He establishes a library and school. 741 – Minster destroyed by fire; subsequently rebuilt on a larger scale. 866 – November: The "Great Heathen Army" of Vikings led by Ivar the Boneless capture York. 867 – 21 March: Danes defeat a Northumbrian counterattack against York, killing their kings Osberht and Ælla and installing a puppet ruler, Ecgberht. 876 – Danes capture southern Northumbria and found the Kingdom of York perhaps under Halfdan Ragnarsson. c. 897 – Mint re-established in the city. c. 919 – The Norse–Gael leader Ragnall ua Ímair captures York. 927 – Æthelstan, King of the Anglo-Saxons, expels Gofraid ua Ímair from York. 939 – The Norse-Gael King of Dublin Olaf III Guthfrithsson captures York. 944 – King Edmund I of England takes York from the Vikings. 947 – Eric Bloodaxe becomes king of Northumbria for the first time at the invitation of Wulfstan I, Archbishop of York. 954 – Eric Bloodaxe is deposed and subsequently killed.