In 1911, between March and April, the 50th anniversary of the birth of the Kingdom of Italy was celebrated with a series of exhibitions in Rome, Florence and Turin. In the latter city the International Exhibition of Industry and Labor was held. In the capital, whose mayor at the time was Ernesto Nathan, the ethnographic exhibition of the regions was organized (inaugurated on April 21) and the International Review of Contemporary Art, the Altare della Patria, the bridge Victory Emmanuel II was inaugurated on the Janiculum, the lighthouse of the Italians of Argentina. In Florence the "Exhibition of the Italian portrait from the end of the 16th century to 1861" and the International Floriculture Exhibition was held from March to July.