New answers tagged

3

The other answers have touched some very good points, but there is a mathematical point I would like to make as well: The way the leap year rules are designed is fundamentally incompatible with the decimal expansion. Specifically, rules of the kind "leap/no leap year every X years" don't really care about the number of digits, they are more of a ...


0

Edict of Milan According to Wikipedia, the Edict of Milan was not only aimed at stopping the persecutions of Christians, but the persecution of all religions. Religious policy, wikipedia The edict protected all religions from persecution, not only Christianity, allowing anyone to worship any deity that they chose. Britannica encyclopedia This is supported ...


4

The existing answers are good, but I would add one additional detail, building on your concept of "future-proofing": The exercise of reforming a calendar was intended to make a calendar more accurate, but was not intended to eliminate the need for any theoretical future adjustment. The Gregorian reform was inspired by the Julian reform, and the ...


20

The Gregorian Calendar was introduced (to the Catholic World) in 1582, the result of preparation over the preceding five or so years. However the popularization of decimal fractions would wait another three years until the publication of La Thiende [The Tenth] in 1585 by the Flemish mathematician Simon Stevin. Though not the inventor of a decimal ...


72

Why? Because there was no point. First, according to more modern astronomical measurements, the current length of the year is closer to about 365.2422 days, so they would've been relatively less accurate had they used a more precise value of 365.2425463 days per year. Which leads to a very important point about math: you need to be very mindful about how ...


0

I read on wiki some old monasteries and cathedrals include conjuratories in their towers, small religious buildings from which ceremonies were conducted to bless the fields and ward off calamities caused by the weather. People believed in weather spells during the romanesque period.


Top 50 recent answers are included