That's not quite correct. It happened in 1977 and in 1982.
https://en.m.wikipedia.org/wiki/Dutch_general_election,_1977
https://en.m.wikipedia.org/wiki/Dutch_general_election,_1982
https://en.m.wikipedia.org/wiki/Dutch_general_election,_1977
https://en.m.wikipedia.org/wiki/Dutch_general_election,_1982