During the medieval period Thomas Aquinas studied the classics, the Knights Templar pioneered modern banking, and clerics devised an early form of the germ theory of disease ("demonets"). The fighting arts flourished, clothing evolved into more sophisticated and varied fashions, and we saw the birth of the constitutional monarchy.
While Medieval Europe generally did not built on the scale of the ancients, and cities often lacked such commonplaces as plumbing and paved streets, engineers and architects devised methods of construction beyond those available to the Ancients.
I would entirely disagree that the medieval period was a time of stagnation. It was a glorious time. Unfortunately, true progress was marred by economic inequalities and tribal conflicts.
Greetings!
You make some excellent points, Pawsplay!
However--while it seems to me that certainly there were aspects of Medieval society that were advanced--even some that were superior advancements over what the ancients had achieved in Antiquity--overall, much of Medieval society was decidedly more primitive and less developed than society in Antiquity.
For example:
Warfare:
The medieval society--while it gained armoured knights--had forgotten mass-formations of professional infantry, and sophisticated knowledge of combined operations warfare.
When Medieval society did rediscover these concepts--pioneered and long-established by the ancients--somewhere in the period between 1300-1500--the stages of the Late Medieval Age, when the Swiss and Germans developed mass formations of professional pikemen, the Scots developed similar mixed unit formations, and the Italians deployed regiments of heavily-armoured professional crossbowmen, fighting in combination with heavily-armoured infantry--such rediscoveries spelled the deathknell of the standards of medieval warfare that had prevailed for the previous 1,000 years--and warfare returned to a much more robust, complex, and professional operation reflecting concepts of warfare developed by the ancients of Antiquity.
Artistic Expression:
While Medieval society had a number of beautiful--even majestic--artistic accomplishments--most of the medieval styles and acheivements were far less in diversity and scope than what was enjoyed in Antiquity; from painting, sculpture, literature, to theater. Artistic expressions would not really equal or surpass the standards enjoyed by the ancients of Antiquity until generally after 1500 AD.
Medieval Society literally had nothing to equal the scale, scope, and granduer of the Imperial Circus Maximus--where over 200,000 spectators could gather in comfort and ease to watch regular chariot races and other spectacles.
The Great Arena--Medieval society could not equal the spectacle of gladiatorial combats, as well as vast enclosed naval battles performed with ships and so on, all within the Great Arena, as 80,000 people were regularly entertained. By comparison, Knightly Tournaments were rather more local and small-scale affairs of entertainment.
Theaters:
The Medieval society had small-scale theater productions--though most of their elements, conventions, and styles relied entirely upon such elements made standard in Antiquity. Medieval Theater productions never equalled the mass availability, and lavish production standards and quality that the majority of people in Antiquity enjoyed as a matter of course, everywhere from Britain and Gaul, to Rome, Carthage, Greece, all the way to Egypt, Palestine, Syria and Byzantium.
Medicine:
The medieval society endured gross, primitive and even savage medical standards and procedures that was not to equal or surpass the medical standards established by the ancient Greeks and Romans until the 17th Century, and even in some ways--not until the 19th Century AD.
Commerce:
Indeed--the Knight Templars pioneered banking. However, most of Medieval Europe embraced simple barter systems of commerce and trade--and would not develop and rediscover the advanced systems of coins, commerce and trade made standard in Antiquity until well after 1200-1300 AD--a standard that took Medieval Europe over 700 years to reach the standards acheived and maintained in Antiquity.
Engineering and Building:
Indeed, while certain elements developed by Medieval society--from Gothic Arches, and so on--were outstanding--the Romans pioneered the development of different styles of concrete not equalled until the 19th Century AD, as well as various smelting and wleding techniques that the Romans routinely used throughout the Roman Empire. Such techniques in metallurgy and welding were also not equalled by Europe until after the 17th Century AD.
Roads:
Most of Medieval Europe continued to use roads made in Antiquity by the Legions of Rome. Roads and highways--as well as aqueducts--were not to equal or surpass ancient techniques and skill until after the 17th Century.
Housing, Baths, Sanitation:
Again, as you noted, Medieval standards in sanitation were pathetic. However, even housing was substandard compared to the ancients. Most medieval people lived in flimsy houses of dirt brick, wood, and thatch. The ancients had houses of superior wood, and much use of stone, and had sophisticated tile roofs, plumbing, and heating systems. The Romans established free, mass-public bathhouses throughout the empire. Medieval standards of sanitation, water supply, and housing quality did not really approach ancient standards until considerably after 1300 AD--again, in the Late Middle Ages, and not in most respects until the Renaissance.
Good stuff though, Pawsplay!
Semper Fidelis,
SHARK