Foundations timeline By davisshe 206 Han Empire Begins (bce) 206 Qin Empire ends (bce) 220 Han Empire ends 221 Qin Empire begins 224 End of the Partian Empire 247 Partian Empire Begins(bce) 260 Ashoka spread Buddhism in his country 312 Constatine spreads Christianity 320 Gupta Empire begins 321 Mauyran Empire ends 336 Hellenistic Empire begins 476 Roman Empire ends 550 Gupta Empire ends Jan 1, 1927 Roman Empire begins (supposed to be 27 bce) Mar 2, 2022 Mauyran Empire begins