Today is 6th of December, it is Celebrates as "Mahaparinivana Divas' across India on the death anniversary of Dr. Babasaheb Ambedkar. 

Dr Babasaheb Ambedkar was born in Dalit family on 14th April 1891.He was considered as "father of indian Constitution". He has written entire Constitution of India. He was also an economist, social reformer and a politician. Dr Babasaheb ambedkar had seen alot of discrimination in his childhood against dalits. He is Also famous because he has fought for the discrimination against dalits. 
When he was 15 years of old he married to Ramabai.