The Song and the Americas By scotta1 Apr 9, 1100 Topoxte reoccupied. Dec 6, 1100 Beginning of commercial revolution.* *Around 1100 Dec 6, 1127 Northern/Southern Northern period ends. Southern begins. Dec 6, 1200 Zhu Xi, Neo-confucian teacher, dies Dec 7, 1200 Tulum, an early Mayan city, is occupied. Dec 7, 1230 El Tajin falls. Dec 7, 1248 Mexicas arrived at Chapultepec. Dec 6, 1279 Mongols take control of China Mar 2, 2022 Song Period begins. Zhao Kuangyin becomes ruler. Mar 2, 2022 Tula identified as Toltec capital. Period: Mar 2, 2022 to Dec 6, 1279 Song China Period: Mar 2, 2022 to Dec 6, 1279 The Americas