1917165438+10 what happened on October 7th? Why is it called the October Revolution?

Because Russia still uses the old calendar. Gregorian calendar 19 17 years17 months, that is,125 months of the old Russian calendar. Therefore, it is called the October Revolution.

1 699170015 Peter I ordered the adoption of the julian calendar (the old calendar) and changed the "Genesis Year" from 1 1 to1. The average annual increase in julian calendar is 365.25 days, which is longer than the tropic of cancer 1 1 min 14 seconds. This slight error causes the solar term date to be advanced by 128 1 day. 1582, in western Europe, Pope Gregory XIII carried out a calendar reform, and moved the date of the vernal equinox from 1 1 in March of the old calendar to 10 days later. It is also stipulated that in the new calendar, boudoir can be placed in the century year divisible by 400 (such as 1600, 2000), and other century years (such as 1700, 1800, 1900) cannot be placed in boudoir. In this way, the new calendar will be three days less than the old calendar every 400 years. Calendar reform has led to the gap between the old and new calendars in terms of dates. 18th century old calendar date is earlier than new calendar date 1 1 day,19th century early 12 days, 20th century early 13 days.

After the October Revolution,1918,65438+1October 26th, the Soviet government announced that it would stop using the old calendar and adopt a new calendar (i.e. Gregorian calendar).