Amitabh Bachchan wishes Happy Birthday to all, know why

Amitabh Bachchan has always shared quirky and interesting stories with his fans on social media and now the superstar has come up with another funny trivia which has left everyone mulling over and laughing at it at the same time.In his recent video, Amitabh Bachchan wishes happy birthday to all. Why? He explains in the caption: "Happy birthday to all .. special day .. one chance every 1000 years. Your age + Your year of birth, every person is= 2020."