You write century numbers using words for the first through ninth centuries and numerals for the 10th century and beyond.
Here's a breakdown with examples:
-
First through Ninth Centuries: These are typically written out in words.
- Example: The eighth century was a time of great upheaval.
- Example: The foundations of the Roman Empire were laid in the first century BCE.
-
Tenth Century Onward: Use numerals followed by "th".
- Example: The 20th century saw unprecedented technological advancement.
- Example: The 15th century was the era of the Renaissance.
- Example: We are currently living in the 21st century.
Summary Table:
| Century Range | Writing Style | Example |
|---|---|---|
| 1st through 9th | Words | The eighth century |
| 10th century and beyond | Numerals | The 20th century |
Following these conventions provides clarity and consistency when writing about historical periods.
