1. AKA (Also Known As) BC and AD
BCE and CE
AKA (Also Known As)
BC and AD

2. What is BCE and CE? BCE = Before Common Era CE = Common Era
It’s a timeline

3. What is BC and AD? BC = Before Christ AD = Anno Domini
(Latin for “In the Year of Our Lord)
Who’s ‘Lord’?

4. Why are we in the Year 2017?
The standard calendar we use today around the world is the Christian calendar
Also called the “Gregorian Calendar”
So, Year 0 is the birth of Christ, the beginning of Christianity
We use 1 calendar internationally to avoid confusion
Are there other calendars besides this one?

5. Many other Calendars! Chinese Calendar Islamic Calendar
Buddhist Calendar
Hebrew (Jewish) Calendar
Egyptian Calendar
Babylonian Calendar
Hindu Calendar
Ethiopian Calendar
Many others!
Some in still in use today, others are not

8. Remember! BCE = BC CE = AD They are the same thing!!
Why don’t we just use BC and AD?
You can, but most historians don’t.
Saying AD is saying that Jesus Christ is your Lord.
AD means “In the Year of Our Lord”
Not everyone is Christian (especially historians)

9. Timeline Same As Number Line
BCE = Negative numbers
CE = Positive numbers
CE starts at Year 0
For example:
100 BCE is the same as -100
100 CE is the same as +100
How many years are between 100 BCE and 100 CE?
Find the range