Update

history.md

@@ -12,7 +12,7 @@ Around 50 AD Heron of Alexandria, an Egyptian mathematician, created a number of
 
 In the 3rd century Chinese mathematician Liu Hui describes operations with **negative numbers**, even though negative numbers have already appeared before. In 600s AD an Indian astronomer Brahmagupta first used the number **[zero](zero.md)** in a systematic way, even though hints on the number zero without deeper understanding of it appeared much earlier. In 9th century the Mayan empire is [collapsing](collapse.md), though it would somewhat recover and reshape.
 
-Year 476 (basically fall of Roman empire) is sometimes seen as the end of Antiquity and **start of Middle Ages**, a time in which technological progress is seen to stagnate a bit.
+Year 476 is set to mark the fall of Roman empire and by this the end of Antiquity and **start of Middle Ages**, a time in which technological [progress](progress.md) and [art](art.md) is seen to stagnate a bit. Rome had been [collapsing](collapse.md) slowly but in its downfall it greatly resembled our [current times](21st_century.md), society became split, people got spoiled, lost sense of morality and so on.
 
 In 1429 Persian mathematician al-Kashi computed [pi](pi.md) to about 14 digit accuracy which was a great leap in this discipline.