// todo need optimize like in event.jsp. Add indexing or not indexing this page. Middle Class (1 gen 1200 anni – 1 gen 2020 anni) (Il nastro del tempo)

Middle Class (1 gen 1200 anni – 1 gen 2020 anni)

Descrizione:

The middle class is a class of people in the middle of a social hierarchy. The social group between the upper and working classes, including professional and business workers and their families. The middle class was created by guilds, specifically artisan guilds.