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20 set 1922 ano - Gracias a estos acontecimientos, se intenta fortalecer el sistema de educación para implemetar la paz en escuelas.

Adicionado na linha do tempo:

Cultura de la Paz Línea del Tiempo

ByLiz Alanis
31 ago 2017
0
0
7249

Data:

20 set 1922 ano
Agora
~ 103 years ago

Imagens:

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