Portal:Conservatism/Selected anniversary/December
- 1860 – the Reform War ends with the surrender of conservative General Miguel Miramón outside of Mexico City
- Franklin Roosevelt's New Dealpolicies.
- 7th
- 2003 – the Conservative Party of Canada is formed
- 18th
- 1834 – Sir Robert Peel publishes the Tamworth Manifesto which lays the foundation for the modern British Conservative Party.