At the time of the construction by the Japanese army of an airport in an open field nearby during the Pacific War, a part of Kushiyama-kofun Tumulus was messed up by digging.
太平洋戦争中に日本軍がこの近くの平野部に飛行場を建設した時に、櫛山古墳の一部が掘り荒らされた。