The result was delete. ✗plicit 23:39, 30 April 2021 (UTC)
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Pure speculation (WP:CRYSTAL) that has only been raised by few individuals. The long quotes in the article seem to be about the extent of the use. Vietnamese Wikipedia has an article created by the same user; a search of the title there ("Trận Điện Biên Phủ trên biển") reveals little more than what the article gives. — Goszei (talk) 22:54, 23 April 2021 (UTC)
To support an article about a particular term or concept, we must cite what reliable secondary sources say about the term or concept, not just sources that use the termHawkeye7 (discuss) 21:18, 25 April 2021 (UTC)