[Ichthypresbyter]

While there are relatively few people in this specific situation still alive, my grandmother was born in a country that still used the Julian calendar at the time.

[dotancohen]

Not at all. Just last week my government approved a plan to bring in thousands (I think 3000 or 9000) of immigrants from Ethiopia, a large portion of whom do not have personal documentation.

[Ichthypresbyter]

I meant the specific situation of having been born under the Julian calendar.

(She was born in Greece in 1920- AFAIK Greece was the last country to switch from the Julian to the Gregorian calendar, and did so in 1923.)