▁its ▁supp ression ▁he ▁had ▁to ▁fle e ▁Amsterdam ▁secret ly ▁because ▁he ▁was ▁gather ing ▁weapons ▁in ▁Amsterdam . ▁He ▁joined ▁the ▁Patri ot ▁Revolution ary ▁Committee ▁with ▁the ▁French ▁headquarters ▁in ▁' s - H ert ogen bos ch . ▁ ▁The ▁French ▁advanced ▁rapidly ▁after ▁the ▁W aal ▁river ▁fro ze ▁over ▁in ▁late ▁December ▁ 1 7 9 4 . ▁So on ▁important ▁cities , ▁like ▁N ij m egen ▁and ▁U tre cht ▁capit ulated . ▁The ▁Patri ot ▁Revolution ary ▁Committee ▁( with ▁Samuel ▁I per usz . ▁Wis el ius ▁and ▁Nicola as ▁van ▁St ap hor st ) ▁de emed ▁it ▁important ▁to ▁liber ate ▁an ▁important ▁city ▁itself , ▁without ▁direct ▁French ▁aid , ▁to ▁support ▁its ▁claims ▁to ▁independent ▁authority ▁in ▁the ▁Netherlands . ▁It ▁therefore ▁sent ▁K ray en hoff ▁to ▁Amsterdam , ▁in ▁a ▁French ▁lieutenant ' s ▁uniform , ▁to ▁organ ize ▁another ▁ins urre ction . ▁On ▁Sunday ▁afternoon ▁ 1 8 ▁January ▁ 1 7 9 5 ▁– ▁at ▁Da end els ' ▁instruction ▁– ▁he ▁came ▁to ▁tell ▁Amsterdam ' s ▁burg om aster s ▁that ▁they ▁had ▁better ▁res ign ▁the ▁next ▁day . ▁Int im id ated ▁by ▁large ▁crow ds ▁of ▁Patri ot ▁sympath izers ▁( who ▁threatened ▁President - B urg om aster ▁Stra al man ' s ▁personal ▁safety ) ▁and ▁dem oral ized ▁by ▁the ▁fact ▁that ▁the ▁commander ▁of ▁the ▁Amsterdam ▁g arrison , ▁Col . ▁Gol ow kin ,