Something happened in the year 1582 which is still recorded in the pages of history. It was Thursday on the 4th of October. But its next day was not 5th October but directly Friday 15th October. It was a very strange event that changed the calendar of the entire world and created confusion among the people. But where did these 10 days disappear? And what is the story behind this?
Julian calendar error
First of all, it is important to understand that before 1582, most of the world was using the Julian calendar. This calendar was started by Julius Caesar in 45 BC. According to the Julian calendar, a year was 365.25 days, and every fourth year an extra day, i.e. a leap year, was added. But there was a big mistake in this calendar. In fact, one solar year of the Earth is 365.2422 days, and due to this small difference, there was a discrepancy of 11 minutes every year between the calendar and the actual solar year.
This small error of 11 minutes had made a difference of 10 days, 1,600 years later. Over time, the dates of festivals and religious events did not match the actual season, especially the festival of Easter. The festival was celebrated on the first full moon after the spring equinox, and was drifting away from its correct timing due to disturbances in the Julian calendar. Therefore, the Church felt it was necessary to address this problem.
birth of the gregorian calendar
In 1582 Pope Gregory XIII decided to fix this mess and planned a new calendar, which we know today as the Gregorian calendar. In this calendar, the rules for leap years were changed, and an important step was taken – 10 extra days were removed so that the calendar could be in sync with the solar year.
Pope Gregory announced that the next day after October 4, 1582 would not be October 5 but October 15. These 10 days were removed from the calendar so that the old error could be corrected and the calendar could be brought back on time.
Worldwide response
Although this change was necessary, it was not easy to implement. In 1582, this change was first adopted by Catholic countries such as Italy, Spain, France, and Poland. But Protestants and other countries did not immediately accept this change. For example, Britain and its colonies did not adopt the Gregorian calendar until 1752, while Russia adopted it in 1918. This led to different dates in different countries for many years, and much confusion in trade and international contacts.
What happened in those missing days?
Due to the change of calendar many questions arose in people's everyday life. People started feeling that their 10 days had gone missing. People in many countries began to protest, feeling that 10 days of their lives had been taken away from them, especially when it came to things like wages or rent. However, technically missing these 10 days made no difference to anyone's age. This was simply a calendar improvement, and it allowed time to be calculated correctly.
The 10 missing days in history were an important event in calendar reform that corrected time calculations around the world. The Gregorian calendar, which we use today, played a large role in correcting the errors of the Julian calendar. This event shows how important measuring and organizing time is to human civilization, and how a small change affected the history and future of the entire world.