Jonathon's Timeline By cutaijon 206 Beginning of Han Dynasty 206 End of Partian Empire 206 End of Qin Empire 220 End of Han Dynasty 221 Beginning of Qin Empire 250 Beginning of Partian Empire 262 Ashoka began promoting Buddhism 312 Constantine issued edict allowing Christianity 320 Beginning of Gupta Empire 323 End of Hellenistic Empire 323 End of Hellinistic Age 324 Beginning of Mauryan Empire 330 Beginning of Hellenistic Age 550 End of Gupta Empire Jan 1, 1000 Beginning of Roman Empire Jan 1, 1931 End of Roman Empire Mar 2, 2022 End of Mauryan Empire