What calendar year, when written using traditional Roman Numerals, has the most digits?

Player #7648050, a million is M with a bar above it, a billion is M with 2 bars above. each bar is multiple of 1,000 a three sided box over a letter is a multiple of 100,000.

Player #8669242, in India concept of zero is since the beginning of Indian number system which is the decimal system everyone uses today.

* Seshati *, yes it is Indian decimal number system. since Europe got familiarized with decimal number system VIA Arabs, so they started to call it Arabic number system, but ancient Indian texts are using it since thousands of years.

Player #8669242, I’ve heard that the zero is from the Arabic numeral system or the Hindu-Arabic numeral system.

Player Elf Counsel, the year my grandma was born

It had to be the year the greatest football team in the world were founded Celtic 🍀

Forgot D was 500

When I was young, I loved Roman numeral problems, but now it's just not worth the work of figuring them out! Too many things I'd rather do.

Surely 4888 would have an extra M and 5888 would have another ...did they have a letter for a million or a billion?

TonyBaroni COYB, zero is a relatively recent mathematical concept

Taranchalanche, Nor I. Always loved Roman numerals so no worries.

MoodyRider40322, Wahh. grammar police?

I won't be around to see that!