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 avoid sinking neutral ships. "Lusitania" was scheduled to arrive in Liverpool on 6 March 1915. The Admiralty issued her specific instructions on how to avoid submarines. Admiral Henry Oliver ordered HMS "Louis" and HMS "Laverock" to escort "Lusitania", and took the further precaution of sending the Q-ship HMS "Lyons" to patrol Liverpool Bay. The destroyer commander attempted to discover the whereabouts of "Lusitania" by telephoning Cunard, who refused to give out any information and referred him to the Admiralty. At sea, the ships contacted "Lusitania" by radio but did not have the codes used to communicate with merchant ships. Captain