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People: Godfrey of Bouillon

Kublai, on becoming Great Khan in 1260, …

Years: 1260 - 1260

Kublai, on becoming Great Khan in 1260, repeatedly attempts to get Dai Viet and Champa to acknowledge his suzerainty as hostilities gradually escalate.

The Vietnamese and Chams form an alliance against a Mongol invasion force of an estimated five hundred thousand soldiers, who drive Vietnamese general Tran Hung Dao and his forces south to Tran Hoa.

The Chams, operating from hidden mountain strongholds, wage a strong guerilla campaign.