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 on her 201st transatlantic voyage, arriving in New York on 24 April. A group of German-Americans, hoping to avoid controversy if "Lusitania" was attacked by a U-boat, discussed their concerns with a representative of the German Embassy. The embassy decided to warn passengers before her next crossing not to sail aboard "Lusitania". The Imperial German Embassy placed a warning advertisement in 50 American newspapers, including those in New York: This warning was printed adjacent to an advertisement for "Lusitania"s return voyage. The warning led to agitation in the press and worried some of the ship's passengers and crew. "Lusitania" departed