// todo need optimize like in event.jsp. Add indexing or not indexing this page. The Abacus (1 jan 2400 ano antes da era comum – 19 h 4 m, 28 maio 2024 ano) (Linha do tempo)
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The Abacus (1 jan 2400 ano antes da era comum – 19 h 4 m, 28 maio 2024 ano)

Descrição:

The abacus is still used today in countries such as China and Japan

Adicionado na linha do tempo:

A Short History of Programming

ByJ K Hamanishi
31 jan 2018

Data:

1 jan 2400 ano antes da era comum
19 h 4 m, 28 maio 2024 ano
~ 4427 years
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