An Alphabet of History

Wilbur Dick Nesbit, also known by the pen name Josh Wink, was an American poet and humorist. He is most known for his poem, Your Flag and My Flag, which was popular during World War I. Throughout his career, he contributed his humor writing to many publications, including the Chicago Inter Ocean, Chicago Evening Post, Chicago Tribune, and Baltimore News-American. His book contains:

Who frets about the mystery
Enshrouding all of history
On reading this will, maybe, see
We've made it plain as A, B, C.