1811

High school (ages 12+)
History & Culture

Name:

Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/1811

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. What is the gregorian calendar commencement?Tuesday
2. What is the julian calendar commencement?Sunday
3. What was special about the calendar in 1811?In 1811, two calendars were used: the Gregorian calendar and the older Julian calendar, which were 12 days apart.
4. Why did some places start the year on a Tuesday while others on a Sunday?The Gregorian calendar began the year on a Tuesday, while the Julian calendar began it on a Sunday, causing a 12‑day difference.

Gregorian Calendar Reform: The 1582 papal bull that introduced a revised calendar to correct the inaccuracies of the Julian calendar.
Julian Calendar Drift: The gradual accumulation of error in the Julian calendar, causing it to fall out of sync with the seasons over centuries.
Solar Year: The time it takes for the Earth to complete one orbit around the Sun, approximately 365.2422 days.
Leap Year Rule: The specific criteria used to determine which years have an extra day (February 29th) to synchronize the calendar with the solar year.