Oxford University is a unique and historic institution as the oldest university in the English-speaking world. Although there is no precise date of establishment, teaching began in some form at Oxford in 1096 and grew rapidly after Henry II prohibited English students from attending the University of Paris in 1167. The University of Oxford is a large coeducational UK higher education institution that has been recognized/chartered by the Privy Council. The university is affiliated with the International Alliance of Research Universities (IARU), Russell Group, European University Association (EUA), Golden Triangle, G5, League of European Research Universities (LERU), Science and Engineering South (SES) and Universities UK.