- The first telegraph office is installed at the White House.
- East Executive Avenue is built as a public way on the east side of the White House.
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- White House greenhouses are rebuilt after a fire and incorporate a west pavilion originally from the Jefferson period.
- President Lincoln's former office, the Treaty Room, becomes the Cabinet Room for President Andrew Johnson.
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Lincoln's former office, the Treaty Room
Western Reserve Historical Society
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- Julia Grant begins the tradition of White House garden parties.
- President Grant adds a billiard room between the greenhouse and the mansion.
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- Ulysses S. Grant extends the White House grounds south and a great round pool is built on the south lawn.
- West Executive Avenue is built as a public way on the west side of the White House.
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- Elaborate renovations of the interior are undertaken, including the East Room, by President and Mrs. Grant.
- Another round pool is built on the North Lawn.
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 | East Room of White House in 1873, after Grant renovations
Library of Congress
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- King David Kalakaua of the Sandwich Islands (Hawaii) is the first ruling monarch to attend a state dinner at the White House.
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- First telephone installed for Rutherford B. Hayes, using the phone number "1."
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- Hundreds of trees are planted under Rutherford B. Hayes.
- The tradition of planting commemorative trees to represent each president and state is begun.
- The first annual White House Easter Egg Roll is held.
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- The United Kingdom presents President Rutherford B. Hayes with a desk which is still used by modern presidents. This desk is made from the timbers of a British Ship called H.M.S. Resolute.
- The ellipse south of the White House is completed.
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Queen Victoria's gift, a desk, given to President Hayes
The White House Collection
White House Historical Association
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