Identify different ways that historians measure time?

one of the main ways historians measure time is with a time line. The other two ways are B. C. (Before Christ) and A. D. (Anno Domini)

Most of the world measures time by saying

that something happened either before or

after the birth of Christ.

To do this, they use the words BC (Before

Christ).

AD (Anno Domini-which means in the year

of the Lord)

Decades (10 years) are used to explain if

something happened tens of years ago.

Centuries (100 years). The first century was

began in the year 1AD.

Millennium (1000) years) is used to

describe something that happened over a

thousand years ago