State timeline · 1947 → Today
West Bengal
From Partition and the refugee years, through 34 years of Left rule and the TMC era, to the BJP's 2026 win: the governments, reforms and events that shaped West Bengal, Chief Minister by Chief Minister.
- Capital
- Kolkata
- Formed
- 15 Aug 1947
- Districts
- 23
- Lok Sabha seats
- 42
- Assembly seats
- 294
- Chief Ministers
- 9
Interactive Timeline
West Bengal, 1947 to today
Every Chief Minister, scheme, law and turning point. Titles show the state government in office; Centre (…) marks central projects in West Bengal, and dashed markers show President's Rule.
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