it is not capitalized because the twentieth century is not cool
No, except at the beginning of a sentence because it is not a proper noun.
No. it's not necessary unless it forms part of the proper noun. Examples: The Twenty-first Dynasty of Egypt Twenty-first Amendment
Yes, countries are capitalized in Italian.Specifically, the first letter of ordinary nouns is not capitalized. But the first letter of proper nouns tends to be capitalized. Countries are proper nouns whose first letter is capitalized.
No.
Yes it should. Any word in a title should be capitalized. However, the only acception to this is if the words "a, an, or the" are in the title and are not the first word. Then they are not capitalized.
Yes. It should be----- Twenty-first Century Skills
nope, twenty-first century is fine
the twenty first century beginned in 2000 because the twenty first century ends in 2100 actully
Twenty First Century Skinned was created in 1999.
No, except at the beginning of a sentence because it is not a proper noun.
Life in the Twenty-First Century was created in 1960.
No. it's not necessary unless it forms part of the proper noun. Examples: The Twenty-first Dynasty of Egypt Twenty-first Amendment
Businesses in the twenty-first century are complex, fluid, and customer-centric.
The first 'c' should be capitalized.
Twenty first
twenty-first century
The twenty-first century started in the year 2001. As there was no "year 0" the last year of the 20th century (set of 100 years) was 2000.