1529

Events

• April 22 – Treaty of Saragossa divides the eastern hemisphere between Spain and Portugal, stipulating that the dividing line should lie 297.5 leagues or 17° east of the Moluccas.
• May 10 – The Turkish army under Suleiman I leaves Constantinople to once again invade Hungary.
• September 8 – Recapture of Buda by the invading Turkish forces.
• September 23 – Vienna is besieged by Turkish forces.
• October 15 – With the season growing late, Suleiman abandons the siege.
• Emperor Charles V and Francis I of France sign the Treaty of Cambrai, or the "Ladies' Peace". Francis abandons his claims in Italy, but is allowed to retain Burgundy.
• Thomas Wolsey, Archbishop of York, fails to bring about the divorce and annulment Henry VIII had sought and is forced to resign.
• Aylesbury is granted the county town of Buckinghamshire in England by King Henry VIII.
• Stephen Báthory becomes governor of Transylvania.
• Boromrajathira IV succeeds Rama Thibodi II as king of Ayutthaya.
• Fluorine is first described by Georg Agricola.
• Giorgio Vasari visits Rome.
• Pietro Bembo becomes historiographer of Venice.
• Heinrich Bullinger becomes pastor of Bremgarten.
• Diet of Speyer takes place

Births

• June 7 – Étienne Pasquier, French lawyer and writer (d. 1615)
• June 14 – Archduke Ferdinand II of Austria, regent of Tyrol and Further Austria (d. 1595)
• Taddeo Zuccaro, Italian painter (d. 1566)

Deaths

• February 2 – Baldassarre Castiglione, Italian writer and diplomat (b. 1478)
• Ludwig Haetzer, German protestant reformer (executed)