The University of Glasgow (Scottish Gaelic: Oilthigh Ghlaschu; Latin: Universitas Glasguensis; abbreviated as Glas. in post-nominals) is the fourth-oldest university in the English-speaking world and one of Scotland’s four ancient universities. It was founded in 1451. Along with the universities of Edinburgh, Aberdeen, and St. Andrews, the University was part of the Scottish Enlightenment during the 18th century. It is currently a member of Universitas 21, the Russell Group and The Guild of European Research-Intensive Universities.