Uganda

Location: East Africa Official name: Republic of Uganda Formation (date of independence / date current borders were established): 1962 / 1962 Capital city: Kampala Population: 33.8 million / 439 people per sq mile (169 people per sq km) Total land area: 91,135 square miles (236,040 square km) Language(s) spoken: Luganda, Nkole, Chiga, Lango, Acholi, Teso, … Read more

Ukraine

Location: Eastern Europe Official name: Ukraine Formation (date of independence / date current borders were established): 1991 / 1991 Capital city: Kiev Population: 45.4 million / 195 people per sq mile (75 people per sq km) Total land area: 223,089 square miles (603,700 square km) Language(s) spoken: Ukrainian (official language), Russian, Tatar Main religions: Christian … Read more

UNICEF

An international watchdog and relief organization for children.

United Arab Emirates

Location: Southwest Asia Official name: United Arab Emirates Formation (date of independence / date current borders were established): 1971 / 1972 Capital city: Abu Dhabi Population: 4.7 million / 146 people per sq mile (56 people per sq km) Total land area: 32,000 square miles (82,880 square km) Language(s) spoken: Arabic (official language), Farsi, Indian, … Read more

United Kingdom

Location: Northwest Europe Official name: United Kingdom of Great Britain and Northern Ireland Formation (date of independence / date current borders were established): 1707 / 1922 Capital city: London Population: 61.9 million / 664 people per sq mile (256 people per sq km) Total land area: 94,525 square miles (244,820 square km) Language(s) spoken: English (official … Read more

United States

Location: North America Official name: United States of America Formation (date of independence / date current borders were established): 1776 / 1959 Capital city: Washington D.C. Population: 318 million / 90 people per sq mile (35 people per sq km) Total land area: 3,717,792 square miles (9,626,091 square km) Language(s) spoken: English (official language), Spanish, … Read more

Upland

A hill or very low mountain that may also contain mesas and high plateaus.

Ural Mountains

The mountain ranges separate the northern European and West Siberian plains and are used as the dividing line between Europe and Asia.

Urbanization

The dramatic rise in the number of cities and the changes in lifestyle that result.

Uruguay

Location: South America Official name: Eastern Republic of Uruguay Formation (date of independence / date current borders were established): 1828 / 1828 Capital city: Montevideo Population: 3.4 million / 50 people per sq mile (19 people per sq km) Total land area: 68,039 square miles (176,220 square km) Language(s) spoken: Spanish (official language) Main religions: … Read more

USSR

The union of Soviet Socialist Republics, or the Soviet Union, was formed in 1922 by the communists and officially dissolved in 1991.

Uzbekistan

Location: Central Asia Official name: Republic of Uzbekistan Formation (date of independence / date current borders were established): 1991 / 1991 Capital city: Tashkent Population: 27.8 million / 161 people per sq mile (62 people per sq km) Total land area: 172,741 square miles (447,400 square km) Language(s) spoken: Uzbek (official language), Russian, Tajik, Kazakh … Read more