https://www.khanacademy.org/humanities/world-history/x66f79d8a:the-first-global-age 2026-06-30T19:50:47.936059619Z The First Global Age (1200 to 1750 CE) The first global age featured opportunity and tragedy, and it forever altered the course of human history. Massive land empires and new oceanic empires linked the two hemispheres into an increasingly global system, both ecological and economic. unit