1807 Fact Sheet
Database: Great Inventions by Year and Country
| Record Name | Year | Country | Region | Source | Inventor Name |
| Steamboat | 1807 | United States | North America | Encyclopedia Britannica Almanac 2003 | Robert Fulton |
Database: Year and Discoverer of Chemical Elements
| Record Name | Element | Year Discovered | Discovered By | Source |
| Potassium | Potassium | 1807 | Sir Humphry Davy | Jefferson Lab |
| Sodium | Sodium | 1807 | Sir Humphry Davy | Jefferson Lab |
Database: Periodic Table of the Elements
| Record Name | Symbol | Group | Number | Melting Point | Boiling Point | Density | Year Discovered | Atomic Weight | % of Earth's Crust |
| Sodium | Na | 1 | 11 | 98 | 883 | 0.97 | 1807 | 22.9897 | 2.75 |
| Potassium | K | 1 | 19 | 64 | 774 | 0.86 | 1807 | 39.0983 | 2.58 |
--- END OF FACT SHEET ---