To Kill a Mockingbird by Harper Lee is first published, in the United States.

To Kill a Mockingbird is a 1960 Southern Gothic novel by American author Harper Lee. It became instantly successful after its release; in the United States, it is widely read in high schools and middle schools. To Kill a Mockingbird won the Pulitzer Prize a year after its release, and it has become a classic of modern American literature. The plot and characters are loosely based on Lee's observations of her family, her neighbors and an event that occurred near her hometown of Monroeville, Alabama, in 1936, when she was ten.

Nelle Harper Lee was an American novelist whose 1960 novel To Kill a Mockingbird won the 1961 Pulitzer Prize and became a classic of modern American literature. She assisted her close friend Truman Capote in his research for the book In Cold Blood (1966). Her second and final novel, Go Set a Watchman, was an earlier draft of Mockingbird, set at a later date, that was published in July 2015 as a sequel. A collection of her short stories and essays, The Land of Sweet Forever, is set to be published on October 21, 2025.