Portal:Anniversaries/November 26
- 1918 — Baume Fréres joins with Paul Mercier to become Baume & Mercier in Geneva.
- 1965 — Roger Wellinger, director of the CEH, declares the strategic goal of creating a "montres-bracelet à quartz", the world's first quartz wristwatch.
- 1997 — The Richemont board announces that it will acquire the 30% of Vendôme that it did not already control.