Text: religion is an important aspect of almost all societies.

Correct capitalization: Religion is an important aspect of almost all societies.

Text: denmark is a very accessible place for cyclists.

Correct capitalization: Denmark is a very accessible place for cyclists.

Text: a flight simulator that uses real-world wind speeds from a weather feed

Correct capitalization: A flight simulator that uses real-world wind speeds from a weather feed

Text: they can thus never at any time have begun and will never at any time come to an end.

Correct capitalization:
They can thus never at any time have begun and will never at any time come to an end.