On what date did a Canadian politician born January 2, 1979, succeed as leader of the New Democratic Party in Canada? 
New Democratic Party:  He was suceeded as leader by Jagmeet Singh, who won the 2017 leadership election on October 1st, with 53.8% of the vote. Jagmeet Singh: Jagmeet Singh Jimmy Dhaliwal {'1': ", '2': ", '3': ", '4': "} (born January 2, 1979), known professionally as Jagmeet Singh ( ), is a Canadian politician who is leader of the New Democratic Party.
October 1st