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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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1 Jan 500 Jahr v. Chr. - Abacus was invented
Beschreibung:
ancient calculating tool, constructed for the system of powers of ten.
Zugefügt zum Band der Zeit:
kailey
By
Kailey
20 Okt 2017
0
0
729
Datum:
1 Jan 500 Jahr v. Chr.
Jetzt
~ 2527 years ago
Abbildungen:
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