U–Z
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U.S. Coast Guard
- Unidentified Flying Objects (UFOs)
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United Nations
- United States Department of Justice
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USA Patriot Act
- Vaccines and Vaccination
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Van Gogh, Vincent
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Van Lew, Elizabeth
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Van Sant, Gus
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Verne, Jules
- Vietnam War
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Voodoo
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Wall Street
- Wal-Mart Stores, Inc.
- Washington, George
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Water Pollution
- Water Quality
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Watergate Scandal
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Wealth of Nations, The
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Webber, Andrew Lloyd
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West Germany
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Wilde, Oscar
- Wilson, Woodrow
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Winfrey, Oprah
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Women's Rights Movement
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Women's Suffrage Movement
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Woodson, Carter G.
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Wordsworth, William
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World Trade Organization
- World War I
- World War II
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Wright, Frank Lloyd
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Xenophanes
- Yeltsin, Boris
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Yugoslavia
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Zaragoza, Ignacio
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Zuckerberg, Mark