How has Gorongosa National Park changed over time? Discover the park's rich history, dating back to primitive human times, through an interactive timeline and scientific reading. The second installment in an eight-part series explores...

The World History unit is from Khan Academy. The years 600 to 1450 are included. The Byzantine Empire, European Middle Ages, origins of Islam, spread of Islam, Great Schism, Crusades, Mongols, Song China, Medieval Japan, Maya Empire,...