This event is also told in the Vinaya (Kd 1:11.1.2). It is regarded as an archetypal event for all Buddhas, and hence is told in the context of the past Buddha Vipassī (DN 14:3.22.4).

Also at SN 6.1:5.6, MN 26:20.6, etc.

Senā was where the Buddha attained Awakening, the pilgrimage site of Bodhgaya (MN 26:17.1). The events on his return to Uruvelā are told in the Vinaya (Kd 1:15.1.1). The Buddha encountered three Kassapa brothers who were fire-worshiping matted-hair ascetics, and converted them with their retinues.