What happened 28 Safar?
Imam died with the effect of poisoning on 28th of the month of Safar. He was 47 years old.
Did Muhammad die on his birthday?
In Islam, Prophet Muhammad was the last prophet and final messenger of God. He was born on 12 Rabiulawal (29 August 570 CE), the third month of the Muslim calendar. The prophet died on his 63rd birthday.