TVK leader Vijay has said that the upcoming 2026 assembly elections will be like the 1967 and 1977 elections. Why did Vijay say that? What happened in the 1967 and 1977 elections?

TVK leader Vijay has said that the upcoming 2026 assembly elections will be like the 1967 and 1977 elections. Why did Vijay say that? What happened in the 1967 and 1977 elections?