What major geologic event occurred during the paleozoic era?

The Paleozoic Era, which ran from about 542 million years ago to 251 million years ago, was a time of great change on Earth. The era began with the breakup of one supercontinent and the formation of another. Plants became widespread. And the first vertebrae animals colonized the land. Hope this helps1!

Louis xvi wanted to force aristocrats to pay taxes for the first time

"teotihuacan was the cultural center of the zapotecs".