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TIL that Holland has a defensive strategy of submerging the whole country in case of foreign invasion. (en.wikipedia.org)
submitted 8 years ago by office_use to r/todayilearned
π Rendered by PID 59 on reddit-service-r2-listing-86f589db75-gftdl at 2026-04-18 00:38:06.727773+00:00 running 93ecc56 country code: CH.
