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AIzaSyCYaC8UkdPkQKLFUmpasLV5eC3M802CrcA
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2

sep 16, 1980 - Jean Piaget died at Geneva, Switzerland

Added to timeline:

6 Sep 2017
0
0
141
History of the ECE Profession

Date:

sep 16, 1980
Now
~ 38 years ago
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