Today I learned that the Red Square in Moscow is not named after the Red Communist flag

Today I learned that the Red Square in Moscow is not named after the Red Communist flag, nor in the name of the red buildings surrounding it.

Originally it was the "beautiful square", but the Russian word for "beautiful" is also used in the sense of "red". The rest is a coincidence.

Source: https://en.wikipedia.org/wiki/Red_Square#Origin_and_name