1790 Fact Sheet

Database: Great Inventions by Year and Country

Record Name Year Country Region Source Inventor Name
Shoelaces 1790 United Kingdom Europe Encyclopedia Britannica Almanac 2003

Database: Year and Discoverer of Chemical Elements

Record Name Element Year Discovered Discovered By Source
Strontium Strontium 1790 Adair Crawford 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
Strontium Sr 2 38 769 1384 2.54 1790 87.62

Database: Prison Population by Country

Record Name Year Source
Prison population for Libyan Arab Jamahiriya 2007 Human Development Reports (UNDP)

Database: Top Supercomputers of the world

Record Name Year Country Manufacturer Source Site Processors Rmax (GFlops) Rpeak (GFlops)
Big Red - BladeCenter JS21 Cluster, PPC 970, 2.5 GHz, Myrinet 2007 United States IBM Top 500 Supercomputer Sites (June 2007) Indiana University 3072 21790 30720

Database: Most Common Surnames in the United States

Record Name Surname Country Year Occurrences Occurences per 100,000 Cumlative Occurence per 100,000 Percent White Percent Black Percent Asian and Pacific Islander Percent American Indian and Alaska Native Percent 2 Races Percent Hispanic Source
Common USA Surname (Walker) Walker United States 2000:US Census 501307 364.35 17903.61 61.25 34.17 0.35 0.83 1.80 1.60 Wikipedia

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
Tyler VIRGINIA Episcopalian Whig Died after Office United States 1841 1845 3/29/1790 1/18/1862 51 71 10

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