| Timeline |
| 1896 |
Born 29 December in Chihuahua City, Mexico |
| 1908 |
Studies at the Franco-English College |
| 1911 |
Leads a student strike at the San Carlos Academy |
| 1913 |
Conspires with a group of students and workers to unseat Victoriano Huerta |
| 1918 |
Organises a group called the Congress of Soldier Artists |
| 1919 |
Travels to Spain |
| 1921 |
Publishes a magazine called Vida Americana |
| 1922 |
Returns to Mexico |
| 1923 |
Elected secretary general of Mexico's Revolutionary Painters, Sculptors and Engravers Union |
| 1924 |
Together with Diego Rivera and Javier Guerrero starts a weekly called El Machete |
| 1926 |
Elected secretary general of the Miners Union and of the Jalisco Workers Federation |
| 1931 |
Confined to Taxco in a status of internal exile |
| 1932 |
Expelled from Mexico, Siqueiros spends several months in Los Angeles |
| 1934 |
Siqueiros welcome again in Mexico |
| 1936 |
Enlists in the antifascist forces during Spanish Civil War |
| 1939 |
Returns to Mexico again |
| 1940 |
Leads an attack on Trotsky's house in Mexico City's Coyoacán suburb |
| 1959 |
Jailed by President Adolfo López Mateos |
| 1964 |
Released from prison |
| 1967 |
Awarded the Lenin Peace Prize |
| 1974 |
Dies 6 January in Cuernavaca |