Dashed left edge = started before September 1523 ·
Dashed right edge = ongoing beyond September 1523
Events in September 1523 3
1459 – 1523Pope Adrian VI (1459-1523)Died 14 September 1523, aged 64Adrian VI, born Adriaen Florensz Boeyens in Utrecht, was the only Dutch pope in history and the last non-Italian pope for more than four centuries until John Paul II. He pursued modest reform of Church corruption but died after barely twenty months in office, before his efforts could take hold.
1523French Army Invades the Duchy of MilanAdmiral Bonnivet leads Francis I's forces across the AlpsAdmiral Guillaume Gouffier de Bonnivet led a French army across the Alps in September 1523 to reclaim the Duchy of Milan for France. The invasion initially advanced toward Milan but stalled through the winter against Imperial and Spanish forces under Prospero Colonna.
1523Duke of Bourbon Flees France for TreasonFrance's constable defects to Emperor Charles VCharles III, Duke of Bourbon and Constable of France, fled his estates after a dispute with Francis I over his late wife's inheritance. He secretly allied with Emperor Charles V and Henry VIII of England, depriving France of its leading general on the eve of a renewed campaign in Italy.