The question is too vague but medicine and alchemy were prevalent during those times.
The dark ages, otherwise known as the middle ages, was followed by the Renaissance era. During the renaissance, Europe began to re-adopt old Greek and Roman philosophies, art, and science.
By the eighteenth century, the knowledge and technology that had developed during the Dark Ages were instrumental in starting the Renaissance. Classical literature, art, architecture and science saw a resurgence. Scientists and philosophers were also inspired to build upon theories that had been discovered during the Dark Ages.
Before. Rome fell in 410 AD which started the "dark ages"
He gained his crown in 1066 which is the start of the middle ages ( what you call the "dark ages").
It had provided a safe haven during the Dark Ages
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During the Dark Ages, cloth in Europe was made out of wool or linen. It was laborious to make and very expensive.
Kingdoms were the form of government during the Middle Ages
A rebirth from the Dark Ages.
The dark ages
your dumb
dark death