Understanding Historical Time Designations

What does the abbreviation BC stand for in historical time designations?

• Before Christ

• Before Common Era

• Before Calendar

• Before Century

What is the equivalent term for AD in the Common Era designation?

• After Death

• Common Era

• Anno Domini

• After Domini

If a historian says an event happened circa 500 BCE, what does "circa" mean?

• Exactly

• Approximately

• Before

• After

Which of the following statements correctly describes the use of centuries in historical time designations?

• The 19th century refers to the years 1800-1899.

• The 20th century refers to the years 1900-1999.

• The 21st century refers to the years 2000-2099.

• The 18th century refers to the years 1800-1899.

How do historians use the term "decade" in time designations?

• To refer to a period of 5 years

• To refer to a period of 10 years

• To refer to a period of 100 years

• To refer to a period of 1000 years