Today is the most auspicious appearance day of Lord Balarama. Sri Balarama ki jaya!

SB 6.18.2

siddhir bhagasya bhāryāṅga
 mahimānaṁ vibhuṁ prabhum
āśiṣaṁ ca varārohāṁ
 kanyāṁ prāsūta suvratām
Word for word: 
siddhiḥ — Siddhi; bhagasya — of Bhaga; bhāryā — the wife; aṅga — my dear King; mahimānam — Mahimā; vibhum — Vibhu; prabhum — Prabhu; āśiṣam — Āśī; ca — and; varārohām — very beautiful; kanyām — daughter; prāsūta — bore; su-vratām — virtuous.
Translation: 
O King, Siddhi, who was the wife of Bhaga, the sixth son of Aditi, bore three sons, named Mahimā, Vibhu and Prabhu, and one extremely beautiful daughter, whose name was Āśī.