The 2024 U.S. Capitol Christmas Tree will arrive Friday, 11/22. Lighting Ceremony 12/3. Details.
You asked, we answered. Here are some of the most popular questions we get about the U.S. Capitol. The answers may surprise you!
What material is the U.S. Capitol made of?
The original building, completed in 1826, was made of brick clad in sandstone. The north and south wings and connecting corridors added in the mid 19th century and the replica of the East Front constructed in the 20th century are made of brick clad in marble; the dome is made of 8,909,200 pounds of cast iron.
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When did the Congress first meet in the Capitol Building?
November 17, 1800.
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When was the U.S. Capitol built?
Construction of the U.S. Capitol began in 1793 and has been "completed" several times. The original building was finished in 1826. The most recent, and largest ever, addition to the Capitol, the Capitol Visitor Center, was completed in 2008.
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