de Céspedes y Quesada, son of Cuba's founding father (Carlos Manuel de Céspedes), as President. During 4–5 September 1933, a second coup overthrew Céspedes which led to the formation of the first Ramón Grau government. Notable events in this violent period include the separate sieges of Hotel Nacional de Cuba and Atares Castle. This government lasted 100 days but engineered radical socialist changes in Cuban society, including the abolishment of the Platt Amendment and instating of womens' suffrage in Cuba. In 1934, Grau was ousted in favor of Carlos Mendieta, the first in a series of puppet presidents subordinate to the army and its young chief of staff, Fulgencio Batista.
Fulgencio Batista was democratically elected President in the elections of 1940, so far the only non-white Cuban endorsed for the nation's highest office. His government carried out major social reforms. Several members of the Communist Party held office under his administration and established numerous economic regulations and pro-union policies, as well as the Cuban Constitution of 1940, which engineered radical progressive ideas, including the right to labour and health care. Batista's administration formally took Cuba to the Allies of World War II camp in World War II. Cuba declared war on Japan on December 9, 1941, then on Germany and Italy on December 11, 1941. Cuban armed forces were not greatly involved in combat during World War II, although president Batista suggested a joint U.S.-Latin American assault on Francoist Spain in order to overthrow its authoritarian regime.
Ramón Grau, who lost in 1940 to Batista, finally returned in the 1944 elections by defeating Batista's preferred successor, Carlos Saladrigas Zayas. In 1948, his Revolutionary Authentic Party won again when Carlos Prío Socarrás won, the last person elected to the presidency by free and fair elections. The two terms of the Auténtico Party saw an influx of investment fueled a boom which raised
