Roman numerals and centuries

Hi,

Is it possible to use Roman numerals with centuries in English? Yes

I know 20th century is correct, but can I also write XX century? No

What about XXth century? Google gives about 76 million results for this. I'm aware this is a mixture of two languages.

So what forms are correct?

Best wishes, Clive

Thanks for your answer Clive.

Before posting my question here, I did a google search myself and found hundreds of thousands of results for all three possibilities because everything seems to be in google: the right, the wrong and the dubious. Of course I wasn't happy with those results; even people who can hardly spell post to the net.

I was hoping for more accurate information,

I have seen Roman numerals used in formal writing in the context of the Olympic games, but not with "century". (Ref: COCA)

For Roman numerals, the "th" is not used, even though we say it in words, for example:

Forbes: After the XXI Olympic Winter Games roll into town in 2010,...
New York Times: ... at the XVII Winter Olympic Games

So if you want to use it with

Hi again,

You're welcome.

I hope you find something definitive, and perhaps you'd be kind enough to let us know if you do.

For myself, I see it as a matter not of grammar but of style, so I'd be careful about using terms like 'correct'.

Best wishes again, Clive