New submission from Venkata Raman S S V :
In Ubuntu 20.04.3 LTS - OS Type: 64-bit.
$ cal sep 1752
September 1752
Su Mo Tu We Th Fr Sa
1 2 14 15 16
17 18 19 20 21 22 23
24 25 26 27 28 29 30
$ python3
Python 3.8.10 (default, Sep 28 2021
Vedran Čačić added the comment:
https://docs.python.org/3/library/calendar.html#module-calendar
The functions and classes defined in this module use an idealized calendar, the
current Gregorian calendar extended indefinitely in both directions.
https://en.wikipedia.org/wiki/Proleptic_Gregoria
Christian Heimes added the comment:
> Note: Sep. 1752 had only 19 days. ( 11 days skipped )
That statement is only correct for countries where the Church of England was
predominant: Great Britain and colonies of the British Empire in e.g, North
America (later known as US of A). Alaska change
