Task: Question Understanding
Input (English): Passage: By December 28, 1570, general Nuri Khan arrived with the vanguard of the army from Bijapur, the Adil Shah himself arriving eight days later with the bulk of his forces. According to the Portuguese it numbered 100,000 men strong, of which 30,000 were foot, 3,000 arquebusiers and 35,000 horse, including 2000 elephants, while the remaining were forced labourers. Besides over 350 bombards of which 30 were of colossal size, the army was also accompanied by several thousands of dancing women. He established a camp around his red tent to the east of the island of Goa, the infantry  distributed ahead of Benastarim and the artillery placed into position to counter-fire the Portuguese batteries. The artillery of Bijapur began battering the fort, which was constantly repaired during the night. Throughout the Portuguese lines by the river banks, the Viceroy ordered torches and bonfires be lit on isolated positions by night, to give the impression of readiness and encourage the enemy to waste ammunition firing on them.
Question: When did the Adil Shah arrive with the bulk of his forces?
Output (English): date