Akinetic mutism was first described in 1941 as a mental state where patients lack the ability to move or speak.
Oral anticoagulation was first established in 1941 by Karl Paul Link, who discovered dicumarol 1).
Endosaccular obliteration of intracranial aneurysm by insertion of silver wire was first reported in 1941 2).
Military Neurosurgery. Can Med Assoc J. 1941 Dec;45(6):564. PubMed PMID: 20322312; PubMed Central PMCID: PMC1827131 3).
Rosner S. War Neurosurgery in Britain. J Natl Med Assoc. 1941 Nov;33(6):268-9. PubMed PMID: 20893058; PubMed Central PMCID: PMC2624746 4).