The birthday of Samantabhadra Bodhisattva is on February 21st in the lunar calendar.

Yes, February 2 1 day of the lunar calendar is the birthday of Bodhisattva samantabhadra.

Bodhisattva samantabhadra, one of the four great bodhisattvas of Mahayana Buddhism, symbolizes virtue and virtue, corresponding to Manjusri Bodhisattva, symbolizing wisdom and virtue, and is both the left and right servants of Sakyamuni Buddha. Pilu Channa Buddha, Manjusri Bodhisattva and Samantabhadra Bodhisattva are honored as "Three Sages of Hua Yan".

In Pu Xian Wishes, Bodhisattva Samantabhadra declared ten famous Buddhist wishes for the Bodhisattva:

If you want to achieve this virtue, you must practice ten wishes. How about ten o'clock? One respects the Buddhas, the other praises the Tathagata, the third practices and supports, the fourth repents the karma, the fifth follows the blessings and merits, the sixth invites the Buddhas to turn to the Falun Gong, the seventh invites the Buddhas to live in this world, the eighth follows the Buddhas, the ninth obeys all sentient beings, and all ten return.