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26 févr. 1971 - Secretary General U Thant signs the United Nations proclamation of the vernal equinox as Earth Day
Ajouté au bande de temps:
World History Timeline
By
JediMaster 66
il y a 2 jrs
0
1
74780
Date:
26 févr. 1971
Maintenaint
~ Il y a 54 ans
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