On Sun, Jul 14, 2024 at 5:25 PM Marc Donner <marc.donner@gmail.com> wrote:

> Note that the switch to the Gregorian calendar happened at different times
> in different countries.  In Catholic-dominated countries it happened in
> October of 1582.  The English-speaking world, being Protestant-dominated,
> waited until September of 1752 to adopt it.
>
> And Russia didn't adopt the Gregorian calendar until 1918.  IIRC the
Eastern Orthodox churches still use the Julian calendar for scheduling
ecclesiastical events such as the date of Easter.

-Paul W.