Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Historic Areas of Istanbul' has mentioned 'Siege' in the following places:
Occurrence Sentence Text Source
[42] Byzantium's decision to side with the Roman usurper Pescennius Niger against Emperor Septimius Severus cost it dearly; by the time it surrendered at the end of 195 CE, two years of siege had left the city devastated.
[61] On 29 May 1453, after an eight-week siege (during which the last Roman emperor, Constantine XI, was killed), Sultan Mehmed II "the Conqueror" captured Constantinople and declared it the new capital of the Ottoman Empire.