For similar purpose, I used menu_set_item() . You should leave the $path argument NULL and use the menu item for the internal path of 'galleries/lastgallery' as $router_item .
As tmsimont pointed out, using menu_set_item() has side-effects...
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.