The Cretan War was a twenty-four-year struggle for the Mediterranean's most valuable island.
Spanning 1645 to 1669, the Cretan War pitted the Republic of Venice against the Ottoman Empire. While the Ottomans quickly seized most of the island, the capital, Candia, endured a legendary siege. This conflict exhausted Venice's economy and reshaped naval warfare, ultimately sealing the fate of the Republic's last major overseas possession.
The conflict began in 1645 after the Knights of Malta attacked an Ottoman convoy carrying pilgrims to Mecca. The Ottomans, seeking a pretext for expansion, blamed Venice for the incident and launched an armada of over 50,000 troops. By 1648, the Ottomans controlled nearly all of Crete, except for the heavily fortified city of Candia. The subsequent siege of Candia became one of the longest in history, lasting until 1669 and forcing both empires into a grueling war of attrition centered on supply lines.
Venice relied on its superior navy to blockade the Dardanelles, hoping to starve the Ottoman forces on Crete. Despite winning most naval engagements, the Republic struggled to maintain a permanent blockade. The Ottomans, initially reliant on galleys, adapted by building galleons and constructing new forts at the entrance of the Dardanelles to secure their supply routes. Domestic turmoil and the diversion of forces toward Transylvania and the Habsburgs hampered the Ottoman effort for years, but the rise of the Köprülü family brought renewed vigor to their military command.
The human and economic cost was staggering. By 1648, disease and warfare had killed nearly 40% of the Cretan population. Venice, already weakened by the loss of trade routes and the plague, resorted to selling nobility titles to fund the war. The final stage of the siege began in 1666 under the Grand Vizier's direct supervision. After two more years of intense fighting, Venice negotiated a surrender. While the Republic gained minor territories in Dalmatia, the loss of Crete marked the end of its status as a major Mediterranean power, with the island remaining under Ottoman control until 1897.
Source: Cretan War (1645–1669)