Yes, you always capitalize "Cuban."
Nope!
Euro is always capitalized.
The proper adjective for the proper noun Shakespeare(always capitalize a proper noun) is Shakespearean (always capitalize a proper adjective).
Always as it is the name of the language. It is a proper noun, which you must always capitalize.
Yes it should always be capitalized.
Yes, always.
No you do not.
Yes, you capitalize Spanish because it is a language and culture.
Yes, you always capitalize a day of the week.
Yes, always capitalize a state.
Yes, you should always capitalize a proper adjective.
Nope!
Euro is always capitalized.
Always. It is a proper noun.
no
The proper adjective for the proper noun Shakespeare(always capitalize a proper noun) is Shakespearean (always capitalize a proper adjective).
No, you may not capitalize travel. That is always considered an expense.