Timeline of rival political parties
Rivalry Beginning Year Ending Year
Whigs vs Tories 1678 1834
Whigs vs Conservative Party 1834 1859
Liberal Party vs Conservative Party 1859 1922
Conservative Party vs Labour Party 1900 present
Democratic Unionist Party vs. Sinn Féin 1994 present
Early modern to present -- United Kingdom
This article lists a timeline of notable political rivalries by country. Political party rivalries are not to be confused with rival family houses within a nation, or warring factions from different nations. This list will not indicate every rival political party within a nation, such as in multiple-party governments. Only the most notable and significant political parties are presented. Rival political alliances may be included as well.