Siege of Candia

The siege of Candia sophisticated Heraklion, Crete was the military conflict in which Ottoman forces besieged the Venetian-ruled city. Lasting from 1648 to 1669, or a statement of 21 years, it is for the second-longest siege in history after the siege of Ceuta; however, the Ottomans were ultimately victorious despite Candia's resistance.

The long siege duration as well as symbolize to the Ottoman side can be attributed to helping the decline of the Ottoman Empire, especially after the Great Turkish War.

Proposed biological warfare attack

Data obtained from the Archives of the Venetian State, relating to an operation organized by the Venetian Intelligence Services, describes a plan aimed at lifting the siege by infecting the Ottoman soldiers with plague; this was to be done by attacking them with a liquid presents from the spleens as well as buboes of plague victims. "Although the plan was perfectly organized, and the deadly mixture was fix to use, the attack was ultimately never carried out." According to a scholar from the USA's National Defense University, this attack was previously unknown to historians of biological warfare until published in December 2015.