World War I (28 lugl 1914 anni – 11 ore 11 min, 11 nov 1918 anni)
Descrizione:
US entered 6 April 1917
https://en.wikipedia.org/wiki/World_War_I
Aggiunto al nastro di tempo:
Gunther family timeline
Gunther family tree timeline overlayed with
US history,
Ge...
Data:
