BC and AD timeline By kris.foley1104 3000 BCE Egypt unites 2400 BCE Middle Kingdom of Egypt begins 2050 BCE Middle Kingdom of Egypt begins 1350 BCE Akhenaton and Nefertiti begin their rule 750 BCE Greeks colonize the Mediterranean 600 BCE Islam spreads to North Africa 566 BCE Buddha is born 551 BCE Confucius is born 509 BCE Roman Republic is established 221 BCE China has first emperor 206 BCE Han Dynasty begins in China 500 Adena mounds are built in Ohio