The Tang and the Islamic World By scotta1 Dec 2, 622 Hijira Muhammad flees to Medina Dec 6, 626 Li Shimin comes to power. Dec 6, 722 Tang capture Silk Road route through Gilgit Valley. Dec 6, 732 Muslim empire reaches its furthes extent. Nov 3, 742 Chinese population hits 50,000,000. Dec 6, 754 Baghdad becomes the new capital of the Abbasid empire. Mar 2, 2022 Beginning of Shi'a Mar 2, 2022 Li Yuan makes Changan the capital. Mar 2, 2022 Written collections of Hadithare compiled.* *Throughout the 800s. Mar 2, 2022 End of Tang rule. Zhu Quanzhong takes power. Period: Mar 2, 2022 to Mar 2, 2022 Tang Empire Period: Mar 2, 2022 to Mar 2, 2022 Islamic World