Lusitanic definitions of "Lusitanic" or "Lusitanian" may include medieval-to-modern Galicia, because the Portuguese people and Galician people share close linguistic and cultural ties, including pre-Roman Celtic ones. Modern Portuguese and the Galician language both derive from medieval Galician-Portuguese, and the term is a cultural classification more than a historic–geographical definition. Although, in Ancient Roman times, the Gallaeci were not part of Lusitania province, what became the Galician-Portuguese language developed from Vulgar Latin in Gallaecia, which comprised what is now Galicia, as well as north Portugal, the center of the development of post-Roman Portuguese culture. Later Portuguese use of the name "Lusitania"
RMS Lusitania Kingdom a war zone, and the German embassy in the United States had placed newspaper advertisements warning people of the dangers of sailing on "Lusitania". On the afternoon of 7 May, a German U-boat torpedoed "Lusitania", off the southern coast of Ireland and inside the declared war zone. A second, unexplained, internal explosion, likely munitions she was carrying, sent her to the seabed in 18 minutes, with the deaths of 1,198 passengers and crew. Because the Germans sank, without warning, what was a completely defenceless, officially non-military ship, killing almost a thousand civilians, many of whom were children, they were