Alien: The legal term for a foreign resident in the United Kingdom. The Royal Proclamations etc., describe the subjects of the Emperors or Austria-Hungary and Germany as "alien enemies," and require them to register themselves with the police authorities, under heavy penalties for neglect. British subjects may not harbour an unregistered alien enemy. The Aliens Restriction Order of 1914 places alien enemies under certain disabilities in respect of the possession of fire-arms, motor-cars, motor-cycles, petroleum, and other articles. An alien may become a naturalised British subject. 
References / notes
- Various contributors (1914). The War Book-of-Facts. 2nd Edition. A.W. Shaw Company, London p.144.
Glossary of words and phrases
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