Revolutions during the 1820s included revolutions in Russia (Decembrist revolt), Spain, Portugal, and the Italian states for constitutional monarchies, and for independence from Ottoman rule in Greece. Unlike the revolutionary wave in the 1830s, these tended to take place in the peripheries of Europe.[1]
- ^ James H. Billington, Fire in the Minds of Men: Origins of the Revolutionary Faith, Transaction Publishers, 2011, p. 148: "Whereas the revolutions of 1820 had occurred in traditional societies (Spain, southern Italy, Greece, and Russia), the revolutions of 1830 affected regions where the workings of a market economy were relatively advanced..."