1839 Fact Sheet
Database: Date of Independence for Modern Countries
| Record Name | Year | Country | Previous Ruler Country | Date |
| Luxembourg Country Formation Date | 1839 | Luxembourg | Netherlands | 1839 |
Database: List of Stars
| Record Name | Constellation | Bayer ref | Spectral type | Dec Deg | Dec Min | Dec | Pos Err | Flamsteed No | SAO No | Star No | Max Mag | Min Mag | Comp Sep | RA hr | RA Min | RA Sec | Dec Sec |
| ALSAFI | Dra | sig | K0V | 69 | 39 | 0.784 | 61 | 18396 | 4.68 | 315.6 | 19 | 32 | 21.633 | 40.14 |
Database: Great Inventions by Year and Country
| Record Name | Year | Country | Region | Source | Inventor Name |
| Fuel cell | 1839 | United Kingdom | Europe | Encyclopedia Britannica Almanac 2003 | William R. Grove |
| Rubber | 1839 | United States | North America | Encyclopedia Britannica Almanac 2003 | Charles Goodyear |
Database: Year and Discoverer of Chemical Elements
| Record Name | Element | Year Discovered | Discovered By | Source |
| Lanthanum | Lanthanum | 1839 | Carl Gustaf Mosander | 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 |
| Lanthanum | La | 3 | 57 | 920 | 3469 | 6.15 | 1839 | 138.9055 |
Database: Hans Christian Andersen Stories and Fairy Tales By Year
| Record Name | Year | Author | Story Title |
| The Elf of the Rose - Hans Christian Andersen | 1839 | Hans Christian Andersen | The Elf of the Rose |
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