Umwuzure w’umugezi w’Umuhondo mu mwaka wa 1453 wari ibiza karemano mu gace gakikije Shawan i Shandong, mu Ubushinwa, ku ngoma ya Ming . Amabanki – yasanwe umwaka umwe gusa – yongeye guturika mukwezi kwa kane ukwezi na gatanu. [1]
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