Kilroy was here

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Description: 
{{military|c. 1940s}} {{non-gloss definition|Inserted in the manner of graffiti in many remote and difficult-to-access locations to mark the presence of American workers or military personnel.}}
Ngram Text: 
Kilroy was here
Source: 
Wiktionary
Issue: 
0
Wiktionary tag: 
Ngram Count: 
3