Notes and Queries, Number 17, February 23, 1850 Various Gutenberg Edition       목차       NOTES AND QUERIES:     A MEDIUM OF INTER-COMMUNICATION FOR LITERARY MEN, ARTISTS, ANTIQUARIES, GENEALOGISTS, ETC.

image source Modified by me Im not smack talking Pope Gregory XIII, let me explain. In terms of the maths and functionality, the Gregorian Calendar is a great calendar. The damn thing was quite revolutionary