Capitalization of nouns in English – Spelling Exercise

My birthday is next friday.
My birthday is next Friday.
My Birthday is next Friday.

He loves italian food.
He loves Italian food.
He loves Italian Food.

Independence day is celebrated on july 4.
Independence day is celebrated on July 4.
Independence Day is celebrated on July 4.

Gerry speaks english, french and spanish.
Gerry speaks English, French and Spanish.

The highest mountain is mount Everest.
The highest mountain is Mount Everest.

His favourite season is summer.
His favourite season is Summer.

She lives in london and I live in paris.
She lives in London and i live in Paris.
She lives in London and I live in Paris.

Do they like shakespearean sonnets?
Do they like Shakespearean sonnets?
Do they like Shakespearean Sonnets?

The Nobel prize in literature was first awarded in 1901.
The Nobel Prize in literature was first awarded in 1901.
The Nobel Prize in Literature was first awarded in 1901.

We spent our holidays in the south of France and stayed at a nice hotel.
We spent our holidays in the South of France and stayed at a nice hotel.
We spent our holidays in the South Of France and stayed at a nice hotel.