Hundreds of citizens were expelled during the communist oppression of the 1950s, with the aim of replacing "reactionary" people with the proletarian class.

However, as craftsmen saw their status sink with the introduction of industrialism, the proletarian class grew during the period.

In his book Seize the Time, he states that "In our view it is a class struggle between the massive proletarian working class and the small, minority ruling class.

This marginalization of women in the newly developing civil order made it difficult for women to find a place among the proletarian class for which the revolution was fought.

With every ounce more of gold possessed by them they left the proletarian class and neared that of the property-holders, the well-to-do middle class.

For Marx, the final revolution will be made by the proletarian class.

Accordingly in 1848, there was a large proletarian class in the Rhineland and because of the influence of Napoleonic France they were educated and politically active.

"They are the useless toys of the feudal emperors and the modern capitalist class and have no significance to us, the proletarian class."

Geiger saw the new salary-earning middle class as a sort of evolution of the proletarian class.

The quality of higher education suffered, however, because admissions policies preferred entrants from the proletarian class over those of bourgeois backgrounds, regardless of the applicants' qualifications.