The Washington Post is regarded as one of the leading daily American newspapers along with The New York Times, the Los Angeles Times, and The Wall Street Journal.

The newspaper was founded in 1877 by Stilson Hutchins (1838–1912), and in 1880 it added a Sunday edition, becoming the city's first newspaper to publish seven days a week.

In April 1878, about four months into publication, The Washington Post purchased The Washington Union, a competing newspaper which was founded by John Lynch in late 1877.

To promote the newspaper, the owners requested the leader of the United States Marine Band, John Philip Sousa, to compose a march for the newspaper's essay contest awards ceremony. Sousa composed "The Washington Post".

In 1898, during the Spanish–American War, the Post printed the classic illustration 'Remember the Maine', which became the battle-cry for American sailors during the War.

Wilkins acquired Hatton's share of the newspaper in 1894 at Hatton's death. After Wilkins' death in 1903, his sons John and Robert ran the Post for two years before selling it in 1905 to John Roll McLean, owner of the Cincinnati Enquirer.

When John McLean died in 1916, he put the newspaper in trust, having little faith that his playboy son Edward "Ned" McLean could manage his inheritance. He bled the paper for his lavish lifestyle and used it to promote political agendas.

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