. S . ▁naval ▁base ▁at ▁Pear l ▁Har bor , ▁the ▁Japanese ▁attack ▁British ▁Hong ▁Kong , ▁with ▁rel ent less ▁air ▁ra ids ▁for ▁the ▁next ▁ 1 7 ▁ 1 / 2 ▁days . ▁Hong ▁Kong ▁is ▁forced ▁to ▁surrender ▁on ▁December ▁ 2 5 . ▁Some ▁ 1 , 9 7 5 ▁Canadian ▁tro op ers , ▁are ▁posted ▁in ▁the ▁col ony , ▁mostly ▁inf antry ▁with ▁the ▁Royal ▁R if les ▁of ▁Canada ▁and ▁W inn ip eg ▁Gren ad iers , ▁who ▁had ▁arrived ▁to ▁rein force ▁the ▁col ony ▁on ▁October ▁ 2 7 ▁ab o ard ▁the ▁Aw ate a , ▁esc orted ▁by ▁H M CS ▁Prince ▁Robert . ▁The ▁Japanese ▁attack ▁is ▁a ▁dis aster ▁for ▁the ▁Canad ians , ▁who ▁were ▁greatly ▁out number ed ▁by ▁the ▁Japanese . ▁ ▁Of ▁the ▁ 1 , 9 7 5 ▁Canad ians ▁who ▁went ▁to ▁Hong ▁Kong , ▁more ▁than ▁ 1 , 0 5 0 ▁were ▁killed ▁or ▁wounded , ▁and ▁many ▁are ▁taken ▁prisoner ▁by ▁Japan . ▁ ▁December ▁ 8 : ▁Im medi ately ▁following ▁the ▁Japanese ▁attack ▁on ▁Hong ▁Kong , ▁Canada ▁decl ares ▁war ▁on ▁Japan , ▁on ▁the ▁same ▁day ▁that ▁Britain ▁and ▁the ▁United ▁States ▁do ▁so . ▁▁ ▁December ▁ 8 : ▁The ▁day ▁after ▁Japanese ▁attacks ▁on ▁Hong ▁King ▁and ▁Pear l ▁Har bor , ▁all ▁fish ing ▁boats ▁owned ▁by ▁Japanese ▁Canad ians ▁are ▁imp ounded ▁by ▁the ▁Royal ▁Canadian ▁Navy . ▁