1811 Fact Sheet
Database: Date of Independence for Modern Countries
| Record Name | Year | Country | Previous Ruler Country | Date |
| Paraguay Country Formation Date | 1811 | Paraguay | Spain | May 14, 1811 |
| Venezuela Country Formation Date | 1811 | Venezuela | Spain | July 5, 1811 |
Database: Year and Discoverer of Chemical Elements
| Record Name | Element | Year Discovered | Discovered By | Source |
| Iodine | Iodine | 1811 | Barnard Courtois | 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 |
| Iodine | I | 17 | 53 | 114 | 184 | 4.93 | 1811 | 126.9045 |
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