Yes, we do
All proper nouns start with a capital letter.
The words that should start with a capital letter are places, names, important words in a title, and the letter at the start of a sentence.
No Only names of people or places etc have capital letter at start
"An uppercase letter" or "A capital letter".
The letter C appears most, as it is at the start of both Capital and City.
Yes, all books start with a capital letter.
A common noun does not start with a capital letter unless it is the first word in a sentence.
Yes, "Best wishes" at the end of a letter should start with a capital letter.
3 European capital cities start with the letter R. Rome is the capital city in Italy. Riga is the capital city in Latvia. Reykjavik is the capital city in Iceland.
No
Yes.
A capital letter