original_query: What was the significance of the siege of Szigetvár in relation to Sultan Suleiman's advance towards Vienna?
query: What was the significance of the siege of Szigetvár in relation to Sultan Suleiman's advance towards Vienna?
answer: The siege of Szigetvár, though an Ottoman victory, significantly delayed Suleiman's advance towards Vienna in 1566, preventing an immediate threat to the city.  The prolonged resistance stopped the Ottoman push that year.