It might have just been a stupid bird or it might have short sight or it might have seen its reflection and thought it was another bird it all depends on what type of bird it was.
It means that was a tough and lucky bird. Other than that it means nothing whatsoever.
Answer 1. Your window is open 2. Your window is so clean that the bird didn't see it, and ran into it 3.
You found a stupid bird that thinks it belongs in your house 4. Wow this happened to my dad the window was so clean he walked right into it 5. If it was a dove it is an omen of the impending death of one of the house's occupants.
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.