There wasn't a "middle class" and that is a modern idea. In the middle ages you were one of three types of people. The church, noble, or serf/peasant. A middle class won't develop until the...
In the middle ages the king was obviously at the top and the peasants at the bottom so the "Upper Middle Class" would have been comprised of nobles because the nobles were ranked amongst themselves...
The lines distinguishing one class from another are quite blurry these days. It would be fair to say, however, that it used to be middle classes were all professionals with university degrees...
The growth of the middle class started early, but slowly, and gained speed.For the entire time of the Middle Ages, there was a class that was made up of merchants, traders, craftsmen, physicians,...
The middle class was a group of people who were not of noble families, were not land owners, but also were not clergy and not farmers or laborers. Among them were shop owners, artisans, craftsmen,...