Migraine most frequently causes simple visual hallucinations, but complex visual hallucinations may occur in basilar migraine and familial hemiplegic migraine. In contrast to hallucinations in migraine aura, complex visual hallucinations in basilar migraine appear at a late stage of an attack usually following symptoms of brainstem and cerebellar dysfunction or at recovery from coma.
The building of the Titanic took 2 years, 2 months. Construction  began on 31 March 1909. It was launched on 31 May 1911.   it took three years to completely construct anâ¦d outfit the titanic  but the building of the titanic was on march 31,1909 It took 2 years. From 1909 to 1911.
Titanic sideswiped an iceberg at 11:40 p.m. on Sunday, April 14,1912, and was badly damaged. The 882-foot (269-meter) long liner,whose eight decks rose to the height of an 11-story building, sanktwo hours and forty minutes later. Of the 2,227 passengers andcrew, 705 escaped in 20 lifeboats and rafts; 1,522 drowned.