The Red River delta
Open the map in 1100 and find Đại Việt in the Red River delta. Which much larger state lies to its north?
Open this view on the mapDai Viet · 938-1428
In 938 the Viet won independence from China at the Bach Dang River. Over the next five centuries Dai Viet beat back Song, Mongol and Ming armies while borrowing Chinese schools and laws. Students explore how a small kingdom held off giants.
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Put the board on the projector. Students join with a six-digit code, no account needed, and tap the map: where was the frontier, where did the grain come from. Their pins drop in together when you reveal, and the closest student takes the round.
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Read aloud
In 938 the Viet won independence from China at the Bach Dang River. Over the next five centuries Dai Viet beat back Song, Mongol and Ming armies while borrowing Chinese schools and laws. Students explore how a small kingdom held off giants.
By the end of the lesson, students can
Project the map, or let students follow on their own devices. Each step opens the map at the right year and place.
Open the map in 1100 and find Đại Việt in the Red River delta. Which much larger state lies to its north?
Open this view on the mapZoom in on the mouth of the Bach Dang River, near Ha Long Bay. Invading fleets were destroyed here in 938 and again in 1288. How could tides and wooden stakes beat a fleet?
Open this view on the mapDrag the slider to 1492 and compare Đại Việt with 1100. In which direction did it grow, and at whose expense?
Open this view on the mapPick two or three. They run from what happened to why it mattered.
Play Rule History as Genghis Khan, whose grandsons tried three times to conquer Dai Viet. Let students take turns ruling. Then switch sides: how did Dai Viet's leaders beat a much bigger army?
Open Rule History€19 per month unlocks every worksheet, every live lesson and the class workspace. The free lesson prints without a subscription.