The Great Siege of Malta begins, in which Ottoman forces attempt and fail to conquer Malta.

The Great Siege of Malta began in May 1565 when the formidable Ottoman Empire launched a massive assault against the small Mediterranean island of Malta, held by the Knights Hospitaller. Under the command of Sultan Suleiman the Magnificent, the Ottomans sought to expand their influence westward and eliminate the Knights, who had long been a thorn in their side due to their piracy and resistance. Led by Grand Master Jean de Valette, the Knights, along with local Maltese defenders and a handful of European allies, mounted a fierce and determined resistance. Despite being vastly outnumbered—about 6,000 defenders against roughly 30,000 Ottoman troops—the defenders used the island’s rugged terrain, fortified positions, and superior tactics to withstand the siege. After months of brutal fighting, disease, and attrition, the Ottomans withdrew in September 1565, suffering heavy casualties. The failure to take Malta marked a turning point in Mediterranean geopolitics, symbolizing the limit of Ottoman expansion into Western Europe and bolstering Christian morale across the continent.