Do we say during the fifthy or during the 50 y?

It's "during the 50s". Pronounced "fifties".

CJ

The idea of drinking eight cups of water per day is just a commercial hype created by European bottled-water companies in the [fifties / '50s].

Or are you talking about the year 1950 specifically? In that case, it's in 1950.

Aspara Gus '50s

Is the apostrophe obligatory? Thinking about it, maybe it is.

CalifJimIs the apostrophe obligatory?

I'm not entirely sure, but I've always used it.

Thanks CJ

The Chicago Manual of Style, 15th edition, discussing decades, calls for the apostrophe in the only case they present where it might be used, "in the 1980s and '90s", calling that "less formal" than "in the 1980s and 1990s". They say to spell out a decade (the nineties) or use numerals, but they do not actually state which is preferred or whether something like "the '50s" can be used when t

enoonThe Chicago Manual of Style, ...

Thanks!

CJ

Hi
Could it be written as 50's?

https://www.google.com.sg/search?tbm=bks&hl=en&q=In+the+50's

Yoong LiatHiCould it be written as 50's?https://www.google.com.sg/search?tbm=bks&hl=en&q=In+the+50's

Modern style avoids apostrophes in plurals. A notable exception is plurals of lowercase letters: "a's" instead of "as", for instance, for the obvious reas