| December 11, 1882 |
Fiorello H. La Guardia is born in Greenwich Village, New York City. |
| 1907-1910 |
La Guardia serves as an interpreter in the U.S. Immigration Service on Ellis Island. |
| November 7, 1916 |
La Guardia elected to the U.S. House of Representatives as a Republican from lower Manhattan. |
| August 15, 1917 |
La Guardia commissioned a First Lieutenant in the U.S. Air Service, rising to the rank of Major. He serves on the Austrian-Italian front during World War I. |
| November 4, 1919 |
La Guardia elected president of the Board of Aldermen. |
| November 7, 1922 |
La Guardia elected to the House of Representatives from upper Manhattan's 20th Congressional District, a champion of liberal values in a conservative era. |
| November 7, 1933 |
La Guardia elected New York City's 99th mayor. He will be reelected in 1937 and 1941, serving for 12 years. |
| March 19-20, 1935 |
A riot in Harlem that results in one death stirs Mayor La Guardia to create the Mayor's Commission on Conditions in Harlem to determine the causes of the outbreak. |
| June 25, 1935 |
Mayor La Guardia opens a new baby health station in the Bronx, heralding an expansion of health services throughout the city. |
| July 11, 1936 |
Mayor La Guardia joins other dignitaries at the opening of the Triborough (now RFK) Bridge, perhaps the best example of LaGuardia's expansion of city facilities. |
| October 15, 1939 |
Mayor La Guardia opens New York Municipal Airport #2; the airport in Queens soon renamed Fiorello H. LaGuardia Field. |
| March 29, 1946 |
La Guardia named Director-General of the United Nations Relief and Rehabilitation Administration. |
| September 20, 1947 |
Fiorello H. La Guardia dies of cancer at age 64 after a long illness. |