>shared historical consciousness
There is very little shared consciousness. The history is too long and only the recent history is a "common struggle" type, and even that there is a lot of struggle against each other. So what we even share it's often "on the other side of the fence" type of "common".
>culture and linguistic pluralism
Most Europeans monolingual or talks English beyond his native tongue. We don't really share the culture either. Tho there is some "oh we have the same here" recognition going on but still.
>social and political sensibility
This sounds like some made up bs.
>secularism and humanism
Perhaps this is something that can be generalized. We don't have that weird American "religionism".