釋氏稽古略 3.8

3.8

In the fifth month, the Emperor established a bodhimaṇḍa on the southern thoroughfare of the Zhuque Gate and held a pañcavārṣika assembly. In the sixth month, he commanded sixty-nine monks and sixty-nine Daoists each to practice the Way for seven days in the Taiji Hall. On the concluding day, a thousand-monk vegetarian feast was offered (Bianzheng lun).