Which event happened shortly after this newspaper notice first appeared?

It seems that you have missed the given choices for this question; but anyway, here is the correct answer. The event that happened shortly after this newspaper notice first appeared is that t he Lusitania was sunk off the coast of Ireland.

Other choices include:

-World War I broke out in Europe.

-The Allies won final victory over the Central Powers.

-The United States declared war on Germany.