In the 18th century. political calendars began to appear, civic, economic, farm, industrial, parliamentary, "Domestic and foreign", theatrical, for "splendid ladies", and even for… lovers. Their level was different.
Calendars …
The oldest printed Polish calendar - and at the same time the oldest Polish printing! - to "the current calendar year 1474", printed in Latin in Krakow at Kasper Straub's printing house. It's worth adding, that it was only a year later than the world's oldest printed calendar, issued …
The Mohammedan calendar was introduced by Muhammad in 632 r. He rejected the count of time used by the Arabs so far, based on the lunisolar system, with leap months and era, calculated from the so-called. "Year of the elephant" (tj. the year of the invasion of Arabia by the army of Yemen …
The first draft reform of the Julian calendar was submitted as early as in the 14th century. The Catholic Church dealt with the reform, presenting it at the ecumenical councils of Constance and Basel. At the Council of Basel, St. 1435 r. the following were discussed:. in. on the project of Mikołaj z Kuza, …
The Julian calendar has sorted out many matters related to the count of time, but not all. Counting the passing years since the foundation of Rome has not become widespread. Rather, it was a "consular era", tj. counting the years according to the incumbent consuls or emperors. In this situation, the correlation of the various …
All the calendars of ancient times, though some of them were quite successful, had a number of shortcomings. In practice, they created a lot of complications. They were not due to a lack of knowledge. Ancient astronomers knew, as we know, the true length of the tropical year, but different considerations - mostly religious …
The Chinese also created a calendar very early on. We know, that already in the third millennium BC. they conducted astronomical observations. Some guess, that even 17-18 thousand years earlier. Certainly - an exaggeration. But it is known, that still to 1280 r. neither. Chinese …
The Hindu calendar year was counted 360 days. So it was based on the lunar count of time (had 12 months after 30 days). When was it built?? Unfortunately, it is not easy to establish, the more that the Hindus have served throughout their long history …
The Mayan calendar is probably the oldest calendar in the world. It is not - strictly speaking - the work of the Maya, but their predecessors, Olmecs, the creators of the so-called. "Kultura - Mother" (discovered in the southern Mexican states of Vera Cruz and Tabasco), and even the Pre-Olmecs.
Kultura-Matka was developing …
The creator of the Roman calendar was the legendary founder of Rome - Romulus (VIII c. p.n.e.). The natural year was the basis, based on observations of certain phenomena in the animal and plant world. It consisted of 10 months. Six of them had po 30, a …
