6 avr. 1917 - united states declares war on Germany
Description:
,Germany renewed its policy of unrestricted submarine warfare that it had abandoned in 1915 after the sinking of the Lusitania. All ships trading with Britain, including those of neutral countries such as the United States would be targets for their submarines and would be sunk without warning.Ajouté au bande de temps:
Date:
6 avr. 1917
Maintenaint
~ Il y a 107 ans
