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The date of when tangrams were invented is unknown. But the first time people heard of the term "tangram" was in 1813 in a book. But by the time that happened the tangram was centuries old in china.
Wiki User
∙ 11y ago
Wiki User
∙ 12y agoThe date is unknown of when they were created. All we know is that they were invented a long time ago by a Chinese man called Tam.
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