1803 Fact Sheet
Database: Year and Discoverer of Chemical Elements
| Record Name | Element | Year Discovered | Discovered By | Source |
| Cerium | Cerium | 1803 1803 | Jons Jacob Berzelius, Wilhelm von Hisinger, Martin Heinrich Klaproth | Jefferson Lab |
| Iridium | Iridium | 1803 | Smithson Tennant | Jefferson Lab |
| Osmium | Osmium | 1803 | Smithson Tennant | Jefferson Lab |
| Palladium | Palladium | 1803 | William Hyde Wollaston | Jefferson Lab |
| Rhodium | Rhodium | 1803 | William Hyde Wollaston | Jefferson Lab |
Database: List of Prince-Bishops of Trent
| Record Name | Historic Region | Modern Region | Name | Period Start | Period End | Source |
| Emmanuel Maria Graf von Thun und Hohenstein [2] (6 November 1802 - February 1803) | Holy Roman Empire | Italy | Emmanuel Maria Graf von Thun und Hohenstein [2] | 6 November 1802 | February 1803 | Wikipedia |
Database: Periodic Table of the Elements
| Record Name | Symbol | Group | Number | Melting Point | Boiling Point | Density | Year Discovered | Atomic Weight | % of Earth's Crust |
| Rhodium | Rh | 9 | 45 | 1966 | 3727 | 12.41 | 1803 | 102.9055 | |
| Palladium | Pd | 10 | 46 | 1552 | 2927 | 12.02 | 1803 | 106.42 | |
| Cerium | Ce | 101 | 58 | 795 | 3257 | 6.77 | 1803 | 140.116 | |
| Osmium | Os | 8 | 76 | 3045 | 5027 | 22.6 | 1803 | 190.23 | |
| Iridium | Ir | 9 | 77 | 2410 | 4527 | 22.4 | 1803 | 192.217 |
Database: Prison Population by Country
| Record Name | Year | Source |
| Prison population for Zimbabwe | 2007 | Human Development Reports (UNDP) |
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