CXXIX International Brigade
| CXXIX International Brigade Forty Nations Brigade 129.ª Brigada Internacional | |
|---|---|
| Active | 8 February 1938 - 28 March 1939 |
| Country | Various, but mostly Central and Eastern Europe and the Balkans |
| Allegiance | Spain |
| Branch | International Brigades |
| Type | Mixed Brigade - Infantry |
| Role | Home Defence |
| Part of | 29th Division (1937 —forerunner unit) 45th Division (1938) 39th Division (1938-39) |
| Nickname(s) | Forty Nations Brigade |
| Engagements | Spanish Civil War |
| Decorations | Medal of Bravery |
| Commanders | |
| Notable commanders | Wacław Komar, José Pellicer Gandía, Miguel Martínez Nieto |
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The CXXIX International Brigade or 129th International Brigade was a military unit of the International Brigades during the Spanish Civil War. Its members were from a number of different countries thus it was also known as "Forty Nations Brigade" (Spanish: Brigada de las cuarenta naciones).