B.C, B.C.E, A.D, and C.E.

A.D.

Anno Domini, AKA in the year of the lord. it is NOT "after death," and it has been turned into C.E.

Artifact

Archaeologists study these, they are usually made by humans of the past.

Archaeologist

a scientist who studies objects to learn about the past

Circa

around/they can't figure out when it happened

Prehistory

before written records

C.E.

common era. it is the era we are living in now.

B.C.

it stands for Before christ.

Chronology

putting events in order to when they happened.

Why is there a CE and BCE?

scientists and historians wanted to end religion on timelines.

Geographer

somebody who studies the earths landforms

Intervals

spaces or years between events

B.C.E.

the abbreviation for before common era.

Span

the first and last dates on a timeline and how many years there are

Before Common Era

the non abbreviation for before common era. it is all years before year 1.

Common Era

year 1 to the present