On 20 May 1977, the leader of the only recently legalized Spanish Socialist Workers' Party (PSOE), Felipe González, accompanied by Javier Solana, visited Juan Carlos in the Zarzuela Palace.
La 20 mai 1977, liderul recent legalizatului Partidului Socialist Muncitoresc Spaniol (PSOE) Felipe González, acompaniat de Javier Solana, l-a vizitat pe Juan Carlos la Palatul Zarzuela.