one thousand AḥÄdÄ«th have been mentioned about MahdÄ« (pbuh)’s birthdate
in reliable Shia and Sunni books, it has been mentioned about:
 The Excellency’s birth,
 a large crowd who were informed of his birth,
  and many people of trustworthy companions, who had seen the Excellency from his blessed birthday until his Major Occultation or even after that.