Text: 1311 - frankfurt traders sail on the baltic sea with their own ships

Correct capitalization: 1311 - Frankfurt traders sail on the Baltic Sea with their own ships

Text: the fastest and easiest way to open your wav file is to double-click it.

Correct capitalization: The fastest and easiest way to open your WAV file is to double-click it.

Text: a charming cortijo in good condition with separate self-contained annexe(current ...

Correct capitalization: A charming cortijo in good condition with separate self-contained annexe(current ...

Text: the class had also received an invitation to the nkul - a norwegian conference for education and learning - in the spring of 2001. here they were to present the molecool educational concept.

Correct capitalization:
The class had also received an invitation to the NKUL - a Norwegian Conference for Education and Learning - in the spring of 2001. Here they were to present the Molecool educational concept.