▁castle ' s ▁history ▁by ▁dig ging ▁up ▁the ▁filled ▁in ▁mo at . ▁ ▁Among ▁the ▁pieces ▁found ▁were ▁fragments ▁of ▁pot tery , ▁stone ware , ▁glass , ▁silver , ▁bronze , ▁and ▁tin . ▁These ▁artifact s ▁are ▁now ▁on ▁display ▁in ▁the ▁castle ' s ▁att ic . ▁The ▁castle ▁and ▁grounds ▁were ▁fully ▁restored ▁by ▁ 1 9 7 6 , ▁and ▁today ▁it ▁is ▁open ▁to ▁the ▁public ▁for ▁t ours ▁and ▁other ▁functions . ▁From ▁ 1 9 7 6 ▁until ▁ 1 9 9 9 ▁the ▁castle ▁was ▁used ▁not ▁only ▁as ▁a ▁tour ist ▁att raction , ▁but ▁also ▁as ▁an ▁official ▁town ▁hall ▁and ▁meeting ▁place ▁for ▁the ▁local ▁municipality . ▁After ▁the ▁Am mer z oden ▁municipality ▁ceased ▁to ▁exist ▁in ▁ 1 9 9 9 , ▁the ▁meet ings ▁were ▁moved ▁from ▁the ▁castle . ▁ ▁References ▁▁ ▁" A mm ers o yen ▁Castle ." ▁Am mers o yen ▁Castle . ▁Cast les ▁on ▁the ▁Web , ▁n . d . ▁Web . ▁ 2 2 ▁A pr . ▁ 2 0 1 4 . ▁< http :// www . cast les ont he web . com / members / d utch cast les / hol land cast les / amm ers o yen . htm >. ▁ ▁" A mm ers o yen ▁Castle ." ▁Am mers o yen ▁Castle . ▁N . p ., ▁ 7 ▁A pr . ▁ 2 0 1 3 . ▁Web . ▁