Here's why:
* For years between 1900 and 1999: We spell out the century ("nineteen hundred") and then the year.
* For years after 2000: We generally spell out the full year (e.g., "two thousand eight").
Here's why:
* For years between 1900 and 1999: We spell out the century ("nineteen hundred") and then the year.
* For years after 2000: We generally spell out the full year (e.g., "two thousand eight").