Year 1529 (MDXXIX) was a common year starting on Friday (link will display the full calendar) of the Julian calendar. Events January–June February 2 – The Örebro Synod provides the theological foundation of the Swedish Reformation, following the economic foundation of it, after the Reduction of Gustav I of Sweden. March – Battle of Shimbra Kure: Imam Ahmad ibn Ibrahim al-Ghazi, with 200 men armed with matchlocks, defeats the army of Dawit II, Emperor of Ethiopia. March 25 – Blood libel against the Jewish community of Bosen (formerly in Hungary, today in Slovakia), on the first day of Passover. Three Jews are accused and killed, while the boy is discovered alive, kidnapped for the benefit of the scheme. April 8 – The Flensburg Disputation is held, a debate attended by Stadtholder Christian of Schleswig-Holstein (later King Christian III of Denmark), between Lutherans (led by Hermann Fast) and the more radical Anabaptists (led by Melchior Hoffman). Johannes Bugenhagen, a close associate of Martin Luther, presides. The Disputation marks the rejection of radical ideas by the Danish Reformation. April 9 – The Westrogothian rebellion breaks out in Sweden. April 19 – Diet of Speyer: A group of rulers (German: Fürst) and independent cities (German: Reichsstadt) protest the reinstatement of the Edict of Worms, beginning the Protestant movement. April 22 – The Treaty of Zaragoza divides the eastern hemisphere between the Spanish and Portuguese empires, stipulating that the dividing line should lie 297.5 leagues or 17° east of the Moluccas. May–July – Cardinal Thomas Wolsey, Archbishop of York, presides over a legatine court at Blackfriars, London, to rule on the legality of King Henry VIII of England's marriage to Catherine of Aragon. May 10 – The Ottoman army under Suleiman I leaves Constantinople, to invade Hungary once again. June 21 – War of the League of Cognac – Battle of Landriano: French forces in northern Italy are decisively defeated by Spain. July–December July 30 – The only continental outbreak of English sweating sickness reaches Lübeck, spreading from there into Schleswig-Holstein in the next few months. August 5 – Charles V, Holy Roman Emperor, and Francis I of France sign the Treaty of Cambrai, or Ladies' Peace in the War of the League of Cognac: Francis abandons his claims in Italy, but is allowed to retain the Duchy of Burgundy. Henry VIII of England accedes on August 27. September 1 – Sancti Spiritu, the