They Ruled Everything—Now They’re Footnotes: 15 Political Parties That Once Dominated the World

2. Congress Party (India, Pre-1990s)

Once India’s undisputed ruler, the Indian National Congress led the nation to independence and dominated elections post-1947. During the 1970s and 1980s, its influence was unparalleled. However, corruption scandals, economic shifts, and regional parties eroded its control. Congress is now a shadow of its former self. Details at BBC.