social studies vocab Flashcards
1
Q
what is the Gregorian calendar
A
in the U.S dates are based on a system of measuring time called the Gregorian calendar.
2
Q
chronological order
A
the order in which events occurred
3
Q
timeline
A
a tool used to tell when events occurred
4
Q
AD
A
the year of our lord
5
Q
BCE
A
before common era
6
Q
BC
A
Before Christ backwards counting
7
Q
CE
A
common era
8
Q
circa
A
not the exact date
