Legendarily, a site in this city was founded to honor the Banyan King's self-sacrifice for a pregnant subject of the rival Branch King. A Bamiyan-style Buddha stands by the Thai temple in this city, one of many here erected by Buddhist nations in their own styles. Devas with flower trays flank the giant halo of a Buddha enthroned above five disciples in a statue that F.O. Oertel found near this city's (*) Dhamek Stupa. This city hosted the third of four life events honored by a set of pilgrimages that also visit Kusinagara, Lumbini, and Bodh Gaya. The Dharmacakra Pravartana Sūtra records the Buddha’s promulgation of the law in this city that set the wheel of dharma in motion, as commemorated by a pillar from whose Lion Capital the Indian flag’s Ashoka Chakra is taken. For 10 points, (-5[1])the Buddha delivered his first sermon in what city's deer park? ■END■ (10[1]0[1])