| 1 | the decade from 1790 to 1799 |
|---|---|
| 1 | coming next after the sixteenth in position |
| 1 | the cardinal number that is the sum of seventeen and one |
| 1 | being one more than seventeen |
| 1 | being ten more than one hundred seventy |
| 1 | the ordinal number of one hundred eighty in counting order |
| 1 | the decade from 1820 to 1829 |
| 1 | the decade from 1830 to 1839 |
| 1 | the decade from 1840 to 1849 |
| 1 | the decade from 1850 to 1859 |
| 1 | the decade from 1860 to 1869 |
| 1 | the decade from 1870 to 1879 |