Zimmerman note discovered Berlin to Mexico City Foreign minister Zimmerman ask Mexico to join Germany in exchange for return of sothwest U.S Bristish intercept message (0 ore 55 min, 1 feb 1917 anni – 6 ore 9 min, 28 feb 1917 anni)
Aggiunto al nastro di tempo:
Data:
0 ore 55 min, 1 feb 1917 anni
6 ore 9 min, 28 feb 1917 anni
~ 27 days