What are some examples anaphora?

There are quite a few famous examples of anaphora, a literary device used for repetition and emphasis. One of the most recognized examples would be the use of "I Have a Dream" in Martin Luther King, Jr's famous speech. The repetition of "I have a dream" before each thought emphasizes the importance of what King was stating. Another example would be part of the poem "Howl" by Allen Ginsberg. His repetition of "who" before he describes each person brings emphasis to the poem and the details of each person that has been described.