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Nikola Tesla
Nikola Tesla (10 July 1856 – 7 January 1943) was an inventor and a mechanical and electrical engineer. He is frequently cited as one of the most important contributors to the birth of commercial electricity and is best known for his many revolutionary developments in the field of electromagnetism...
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United States of America
The United States of America (commonly referred to as the United States, the U.S., the USA, or America) is a federal constitutional republic comprising fifty states and a federal district. The country is situated mostly in central North America,...
Area:
- 9,600,000 km² (3706581 mi² )
Time zone(s):
View entire collection »Population:
- 9,638,453 (1820)
Serbia
Serbia /ˈsɜrbiə/ (help·info) (Serbian: Србија, Srbija), officially the Republic of Serbia (Serbian: Република Србија, Republika Srbija), is a country located in both Central and Southeastern Europe. Its territory covers the southern part of the...
Area:
- 88,361 km² (34116 mi² )
Population:
- 10,150,265 (Jul 2007)
Hungary
Hungary /ˈhʌŋɡəri/ (help·info) (Hungarian: Magyarország [ˈmɒɟɒrorsaːɡ] ( listen)), in English officially the Republic of Hungary (Magyar Köztársaság listen (help·info), literally Magyar (Hungarian) Republic), is a landlocked country in the...
Area:
- 93,030 km² (35919 mi² )
Population:
- 10,029,900 (Jan 1, 2009)