But the 21st birthday changes a person's legal status. Depending on your country and state, you may be able to [drink, drive, join the army, vote, etc.] two days after that birthday (your "age" is 21), when you could not one week earlier (your "age" was 20).
Elite Daily: 60 21st Birthday Captions For Whatever Sip Happens On Your Big Day
All birthdays are so important, but in my opinion, some are milestones that should be celebrated with a little something extra — like your 21st. When you’re turning 21, you may want to ring in the day ...
60 21st Birthday Captions For Whatever Sip Happens On Your Big Day
AOL: 43 Perfect 21st Birthday Instagram Captions for You to Slay Your Birthday Post
43 Perfect 21st Birthday Instagram Captions for You to Slay Your Birthday Post
Pinkvilla on MSN: 300+ Affectionate 21st Birthday Wishes for the Apple of Your Eye
21st birthday is not just another birthday, it is a milestone that deserves to be celebrated in every big and small way. The special day signifies one’s impeccable transition from adolescence to ...
MSN: 300+ Affectionate 21st Birthday Wishes for the Apple of Your Eye
Wikipedia and WHO, among others, seem quite happy to write "the 21st century" (with small c), and this the form I prefer. But it's your choice and no-one can criticise you for writing "the twenty-first century".
The suffixes -st (e.g. 21st), -nd (e.g. 22nd), -rd (e.g. 23rd), and -th (e.g. 24th) are used. In the Victorian period, these indicators were superscripts (2nd, 34th) under general French influence especially in British English, but by the late 20th century, formatting them on the line was favored. [citation needed] Since the 1990s, the superscript style has been revived somewhat because some ...