Short answers, pulled from the story.
John Adams became the first president to live in the White House on the 1st of November 1800. He moved into the residence after it was completed and the national capital moved from Philadelphia to Washington, D.C.
James Hoban designed the White House based on the Irish Leinster House in Dublin. Hoban was an Irish-born architect who won the competition for the design on the 16th of July 1792 with a Neoclassical style inspired by Roman architect Vitruvius and Andrea Palladio.
British forces set fire to the White House on the 24th of August 1814, destroying the interior and leaving only the exterior walls standing. Reconstruction of the building began in 1815 and was completed in 1817 under the supervision of James Hoban and Benjamin Henry Latrobe.
The White House was declared to be in imminent danger of collapse by 1948 due to poor maintenance and structural failures. President Harry S. Truman commissioned a complete reconstruction that included a new steel frame and cost about 5.7 million dollars.
Jacqueline Kennedy directed an extensive redecoration of the White House in 1961 that resulted in a more authentic historic residence. She installed antique furniture and decorative fabrics based on period documents and showcased the restored home to the public in a televised tour on the 14th of February 1962.
Grover Cleveland was the only president to marry in the White House on the 2nd of June 1886. He married Frances Folsom in the Blue Room during his presidency.