Assertion: metaphor | /r/AtLocation | circulation
Facets:
value: since least 1914
type: TEMPORAL
Source sentences:
text: The metaphor has been applied in a variety of contexts, such as psychology, environmentalism, politics, science, cinema, the corporate world, and philosophy, and has been in circulation since at least 1914, when Charles Oman used it on p195 of his book History of the Peninsula War Volume 5, published in 1914.