| Term | Definition |
|---|
| decade | a 10 year period |
| century | a 100 year period |
| Olympiad | a 4 year period |
| timeline | dates and events in chronological order |
| chronological | sequetial and in the order of time |
| era | an important time period |
| reign | rule over, exercise power |
| circa | abbreviated ca |
| circa | about or around |
| Prehistoric Times | the time before writing |
| Ancient Times | the time when man starts writing until the Fall of the Roman Empire (476 AD) |
| Middle Ages | period between Ancient and Modern Times |
| Modern Times | from the time when the printing press was invented (1450)....think about Columbus (1492) |
| BC | "Before Christ" |
| AD | "Anno Domini" = "in the year of the Lord" |
| CE | "Common Era" |
| BCE | "Before Common Era" |
Combine with other sets
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