In April 2006, the rift between Ljubić and the main party line escalated, and he led the formation of the Croatian Democratic Union 1990 (HDZ 1990).
Democratic Party (United States) | Soviet Union | European Union | Union Army | Democratic Republic of the Congo | Democratic Party | rugby union | 1990 | Union | Social Democratic Party of Germany | New Democratic Party | Democratic-Republican Party | Democratic-Republican Party (United States) | Social Democratic Party | 1990 in music | Croatian | International Telecommunication Union | trade union | Union (American Civil War) | Union Pacific Railroad | England national rugby union team | American Civil Liberties Union | Wales national rugby union team | New Zealand national rugby union team | Democratic National Committee | Ireland national rugby union team | Western Union | Scotland national rugby union team | International Astronomical Union | Georgia national rugby union team |