Please capitalize where necessary: first, create a username and a password for yourself by typing it into the appropriate boxes.
A: First, create a username and a password for yourself by typing it into the appropriate boxes.

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

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

Q: let the enthusiasm of aries fill your every contact and interaction.
A: Let the enthusiasm of Aries fill your every contact and interaction.

Problem: you can also make use of the compression option
Can you repeat this sentence, but capitalize it?
Answer: You can also make use of the compression option

Text: the rainbow trout typically spawns in the spring, however, and is usually in the best possible condition albeit strongly coloured, and therefore not quite as delicious as otherwise.

Correct capitalization: The rainbow trout typically spawns in the spring, however, and is usually in the best possible condition albeit strongly coloured, and therefore not quite as delicious as otherwise.

Please capitalize where necessary: belonged to leonora christina; confiscated by frederik iii 1661 (nr. 4155).
A:
Belonged to Leonora Christina; confiscated by Frederik III 1661 (nr. 4155).