15 students from the krabbesholm spring course are represented at charlottenborg spring exhibition. and the 15 students have chosen to show their works in kbh kunsthal.

How would the previous sentence be correctly capitalized?
Answer: 15 students from the Krabbesholm spring course are represented at Charlottenborg Spring Exhibition. And the 15 students have chosen to show their works in KBH Kunsthal.
more debian bug squashing parties are scheduled for the upcoming weeks: you can help debian to release sooner by participating!

How would the previous sentence be correctly capitalized?
Answer: More Debian Bug Squashing Parties are scheduled for the upcoming weeks: you can help Debian to release sooner by participating!
3:6 not to many people of a strange speech and of an hard language, whose words thou canst not understand. surely, had i sent thee to them, they would have hearkened unto thee.

How would the previous sentence be correctly capitalized?
Answer: 3:6 Not to many people of a strange speech and of an hard language, whose words thou canst not understand. Surely, had I sent thee to them, they would have hearkened unto thee.
this is a barbie game for girls.

How would the previous sentence be correctly capitalized?
Answer: This is a Barbie game for girls.