7 mayo 1915 año - Sinking of the Lusitania

Descripción:

A German submarine sinks the Lusitania. A severe backlash in the United States leads to Germany abandoning its unrestricted submarine warfare, which had hoped to strangle Britain into submission. Many speculated that a continuation of the unrestricted submarine warfare could have led to the entry of the United States into the war.

Añadido al timeline:

fecha: