Belgium was represented by Lize Marke, with the song "Als het weer lente is", at the 1965 Eurovision Song Contest, which took place on 20 March in Naples. Marke was chosen internally to be the Belgian representative, and the song was chosen in the national final on 13 February. Marke had previously finished second in the Belgian preselection in 1963.
The Netherlands was represented by Conny Vandenbos, with the song "'t Is genoeg", at the 1965 Eurovision Song Contest, which took place on 20 March in Naples, Italy. Five acts participated in the Dutch preselection, which consisted of five qualifying rounds, followed by the final on 13 February. All the shows were held at the Theater Concordia in Bussum, hosted by the 1959 Eurovision winner Teddy Scholten. Vandenbos had previously taken part in the Dutch preselection of 1962. Future Dutch representative Ronnie Tober (1968) was one of the other participants.
Germany was represented by Katja Ebstein, with the song "Wunder gibt es immer wieder", at the 1970 Eurovision Song Contest, which took place on 21 March 1970 in Amsterdam. "Wunder gibt es immer wieder" was the winner of the German national final, held on 16 February. This was the first of Ebstein's three appearances for Germany at Eurovision; she returned in 1971 and 1980.
Germany was represented by Ulla Wiesner, with the song "Paradies, wo bist du?", at the 1965 Eurovision Song Contest, which took place on 20 March in Naples, Italy. "Paradies, wo bist du?" was the winner of the German national final, held on 27 February.
Germany was represented by Heidi Brühl, with the song "Marcel", at the 1963 Eurovision Song Contest, which took place on 23 March in London. Brühl was selected internally as the German performer, and the song was chosen at the national final on 28 February. Brühl had previously finished runner-up in the German national final in 1960, but her song "Wir wollen niemals auseinandergehn" had gone on to become one of the biggest hits of the year, topping the German singles chart for several weeks.
Norway was represented by Anita Skorgan, with the song "Casanova", at the 1977 Eurovision Song Contest, which took place on 7 May in London. "Casanova" was chosen as the Norwegian entry at the Melodi Grand Prix on 28 February. This was the first of three Eurovision appearances for Skorgan.
Norway was represented by Åse Kleveland, with the song "Intet er nytt under solen", at the 1966 Eurovision Song Contest, which took place on 5 March in Luxembourg City. "Intet er nytt under solen" was chosen as the Norwegian entry at the Melodi Grand Prix on 5 February.
Norway was represented by Anita Skorgan, with the song "Oliver", at the 1979 Eurovision Song Contest, which took place on 31 March in Jerusalem, Israel. "Oliver" was chosen as the Norwegian entry at the Melodi Grand Prix on 10 February. This was the second of three Eurovision appearances for Skorgan.
Norway was represented by Kirsti Sparboe, with the song "Dukkemann", at the Eurovision Song Contest 1967, which took place on 8 April in Vienna. "Dukkemann" was chosen as the Norwegian entry at the Melodi Grand Prix on 25 February. This was the second of Sparboe's three Eurovision appearances for Norway.
Norway was represented by Odd Børre, with the song "Stress", at the 1968 Eurovision Song Contest, which took place on 6 April in London.
Norway was represented by Anita Thallaug, with the song "Solhverv", at the 1963 Eurovision Song Contest, which took place on 23 March in London. The song was chosen as the Norwegian entry at the Melodi Grand Prix on 10 February.
Norway was represented by Anne-Karine Strøm, with the song "Mata Hari", at the 1976 Eurovision Song Contest, which took place on 3 April in The Hague. "Mata Hari" was chosen as the Norwegian entry at the Melodi Grand Prix on 7 February. This was a third Eurovision appearance in four contests for Strøm.
Norway was represented by Jahn Teigen, with the song "Do Re Mi", at the 1983 Eurovision Song Contest, which took place on 23 April in Munich. "Do Re Mi" was chosen as the Norwegian entry at the Melodi Grand Prix on 25 February. This was the third and final Eurovision appearance by Teigen. Although uncredited on this occasion, one of his backing singers was Anita Skorgan, making her fourth appearance in seven years.
Norway was represented by Kirsti Sparboe, with the song "Oj, oj, oj, så glad jeg skal bli", at the 1969 Eurovision Song Contest, which took place on 29 March in Madrid. "Oj, oj, oj, så glad jeg skal bli" was chosen as the Norwegian entry at the Melodi Grand Prix on 1 March. This was the last of three Eurovision appearances in five years for Sparboe.
Norway was represented by Arne Bendiksen, with the song "Spiral", at the 1964 Eurovision Song Contest, which took place on 21 March in Copenhagen. "Spiral" was chosen as the Norwegian entry at the Melodi Grand Prix (MGP) on 15 February.
Norway was represented by Anne-Karine Strøm, with the song "The First Day of Love", at the 1974 Eurovision Song Contest, which took place on 6 April in Brighton, England. "The First Day of Love" was chosen as the Norwegian entry at the Melodi Grand Prix on 16 February. Strøm had sung for Norway the previous year as a member of the Bendik Singers, whose other three members provided backing vocals in Brighton.
Norway was represented by Grethe Kausland and Benny Borg, with the song "Småting", at the 1972 Eurovision Song Contest, which took place on 25 March in Edinburgh. "Småting" was chosen as the Norwegian entry at the Melodi Grand Prix on 19 February.
Finland was represented by Laila Halme, with the song "Muistojeni laulu", at the 1963 Eurovision Song Contest, which took place on 23 March in London. "Muistojeni laulu" was chosen as the Finnish entry at the national final organised by broadcaster Yle and held on 14 February. Halme originally finished third in the national final, but replaced the winning singer Irmeli Mäkelä at Eurovision for unknown reasons.
Finland was represented by Lasse Mårtenson, with the song "Laiskotellen", at the 1964 Eurovision Song Contest, which took place on 21 March in Copenhagen. "Laiskotellen" was chosen as the Finnish entry at the national final organised by broadcaster Yle and held on 15 February.
Portugal was represented by Simone de Oliveira, with the song "Sol de inverno", at the 1965 Eurovision Song Contest, which took place on 20 March in Naples. "Sol de inverno" was chosen as the Portuguese entry at the Grande Prémio TV da Canção Portuguesa on 6 February.
Norway 
