1800 Fact Sheet
Database: Physical Constants
| Record Name | Units | Symbol | Value |
| Bohr magneton in Hz | T-1 s-1 | 13996241800 ± 4200 | |
| Boltzmann constant in Hz | K-1 s-1 | 20836740000 ± 180000 |
Database: Great Inventions by Year and Country
| Record Name | Year | Country | Region | Source | Inventor Name |
| Electric storage battery | 1800 | Italy | Europe | Encyclopedia Britannica Almanac 2003 | Alessandro Volta |
Database: Historical Largest Cities of the World
| Record Name | City | Country | Year Become #1 | Population | Note | Source |
| Beijing (1710) | Beijing | China | 1710 | 900,000 (1750) | 1.1 million (1800) | Answers.com Four Thousand Years of Urban Growth: An Historical Census by Tertius Chandler. 1987, St. David's University Press |
Database: List of Prince-Bishops of Trent
| Record Name | Historic Region | Modern Region | Name | Period Start | Period End | Source |
| Peter Michael Vigil Graf von Thun und Hohenstein (29 May 1776 - 17 January 1800) | Holy Roman Empire | Italy | Peter Michael Vigil Graf von Thun und Hohenstein | 29 May 1776 | 17 January 1800 | Wikipedia |
| Emmanuel Maria Graf von Thun und Hohenstein (2 April 1800 - 6 November 1802) | Holy Roman Empire | Italy | Emmanuel Maria Graf von Thun und Hohenstein | 2 April 1800 | 6 November 1802 | Wikipedia |
Database: Catholic Pope History
| Record Name | Birthplace | Burial | Origin | Religion | Number | Pontiff | Time Periord | Years | Birthdate | Death Date |
| Pope 251 Pius VII | Cesena, Italy | St. Peter's Basilica | Italy | Catholic | 251 | Pius VII | 1800-1823 | 23 | 8/14/1740 | 7/20/1823 |
Database: Tallest Churches in the World
| Record Name | Year Complete | City | Country | Church | Height (Meters) | Height (Feet) | Source |
| Kreuzkirche | 1800 | Dresden | Germany | Kreuzkirche | 93.8 m | 308 ft | Wikipedia |
Database: Auto Performance
| Record Name | Year | Make | Type | Engine (Liters) | Engine Cylinders | Country | Model | Base Price | Horsepower | 0-60 | Curb Weight | Pounds per HP |
| 2007 Lotus Exige Sport Cup | 2007 | Lotus | Coupe | 1.8 | I4 Supercharged | Exige Sport Cup | 252 | 3.9 | 1800 |
Database: Coin Mints of the World
| Record Name | Country | City | Address |
| China Gold Coin Inc. (CGCI) | China | Shenzhen | 18/F, Agricultural Bank of China, No.188 West Liberation Road, Shenzhen China, Post Code 518001 |
Database: US Presidents
| Record Name | Birth State | Religion | Political Party | Died | Country | Term Start | Term Finish | Birthdate | Date of Death | Inauguration Age | Age at Death | Number |
| Fillmore | N.Y. | Unitarian | Whig | Died after Office | United States | 1850 | 1853 | 1/7/1800 | 3/8/1874 | 50 | 74 | 13 |
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