Events from the 1490s in England. Incumbents Monarch – Henry VII Regent – Arthur, Prince of Wales (starting 2 October, until 17 November 1492) Parliament – 3rd of King Henry VII (until 27 February 1490), 4th of King Henry VII (starting 17 October 1491, until 5 March 1492), 5th of King Henry VII (starting 14 October, until 22 December 1495), 6th of King Henry VII (starting 16 January, until 13 March 1497) Events 1490 Construction begins on the tower of Magdalen College, Oxford. John Colet receives his M.A. from the college. Perkin Warbeck claims to be the son of King Edward IV of England at the court of Burgundy. 1491 November – Perkin Warbeck begins a campaign to take the English throne with a landing in Ireland. 21 December – Truce of Coldstream secures a 5-year peace with Scotland. Henry VII imposes a benevolence (tax). 1492 October – English army lays siege to Boulogne. 3 November – Peace of Etaples signed between England and France, ending French support for the pretender Perkin Warbeck. All English-held territory in France with the exception of Calais is returned to France. France withdraws its support for Perkin Warbeck. Richard Pynson prints his first known dated book in London, an edition of Alexander Grammaticus's Doctrinale. Founding date of Ermysted's Grammar School, Skipton, North Yorkshire. 1493 Sanctions imposed on Burgundy for supporting Warbeck. 1494 May – Maximilian I, Holy Roman Emperor, recognises Warbeck as rightful King of England. John Lydgate's translation The Fall of Princes is published posthumously. 1495 16 February – William Stanley, the Lord Chamberlain, executed for supporting Warbeck. 3 July – Battle of Deal: Perkin Warbeck's troops land at Deal, Kent, in support of his claim to the English crown, backed by Margaret of York, Duchess of Burgundy. They are routed before Warbeck himself can disembark, and he retreats to Ireland and then to Scotland. October Parliament passes the Treason Act, still in force . Vagabond Act requires vagabonds to be punished. Henry VII commissions the world's first dry dock at Portsmouth. 1496 24 February – Henry VII signs the commercial treaty Intercursus Magnus with Venice, Florence and the villes of the Hanse and Pays-Bas. 5 March – King Henry VII issues letters patent to Italian-born adventurer John Cabot and his sons, authorising them to discover unknown lands. 12 June – Jesus College, Cambridge, founded. 21–25 September – James IV of Scotland invades