How and where was conservatism challenged after 1815?

While the romantics enacted a revolution in the arts, liberal, national, and socialist forces battered against the conservative restoration of 1815. Political change could occur through gradual and peaceful reform, or through violent insurrection, but everywhere it took the determination of ordinary people standing up to prerogatives of the powerful. Between 1815 and 1848, three important countries — Greece, Great Britain, and France — experienced variations on these basic themes.