1. In the late 19th century, Spain experienced political instability and unrest due to authoritarian governments that did not enact democratic reforms. This led to a revolution in 1868 and the establishment of a short-lived republic in 1873.
2. Political stability returned under King Alfonso XII in 1874, beginning the Restoration period. However, this was still not a true democracy, and elections were manipulated. Industrialization began in this time.
3. Unrest continued in the early 20th century under King Alfonso XIII, culminating in the establishment of Primo de Rivera's dictatorship in 1923 after national disasters. This ended in 1930 and led to the formation of the Second Republic in 1931 and democratic reforms