National Convention ended in 1795.
People's Convention Party ended in 1996.
Caucuses. The delegates all attend the national party convention at the end of summer/beginning of fall and formally cast their votes for the candidates they already pledged their vote to. Candidates often drop out as the primaries go on if they feel they are not going to win. The delegates awarded to them then have to vote for someone else at the convention.
National Party of Canada ended in 1997.
National Party - Poland - ended in 1947.
Monarchist National Party ended in 1959.
National Fascist Party ended in 1943.
Grenada National Party ended in 1984.
National Corporate Party ended in 1937.
Korean National party ended in 1987.
National Religious Party ended in 2008.
Tamil National Party ended in 1964.