"Letter from Birmingham Jail" is a significant document in Black history written by Dr. Martin Luther King Jr. on April 16, 1963. Dr. King wrote the letter while he was incarcerated for participating in nonviolent protests against racial segregation in Birmingham, Alabama.

In the letter, Dr. King responds to criticisms from white clergymen who had urged him to stop the demonstrations and follow the judicial process for seeking civil rights reforms. He defends the use of nonviolent direct action and civil disobedience as necessary tools for bringing about justice and equality for African Americans.

"Letter from Birmingham Jail" articulates Dr. King's philosophy of nonviolent resistance, his belief in the interconnectedness of all communities, and his unwavering commitment to fighting for civil rights through peaceful means. The letter continues to be a powerful and influential piece of literature in the ongoing struggle for racial justice and equality in America.