ɪnðə lˈeɪt nˈaɪntiːnθ ænd ˈɜːli twˈɛntiəθ sˈɛntʃɚɹiz, kɐdˈɛts fɹʌm wˈɛst pˈɔɪnt tɹɐdˈɪʃənəli hæd ɐ θɹˈiːdˈeɪ wˈɔːɹ ɡˈeɪm dˈʌbd "ðə bˈæɾəl ʌv pˈɑːpəlˌoʊpən" ˈiːtʃ ˈɔːɡəst.
In the late nineteenth and early twentieth centuries, cadets from West Point traditionally had a three-day war game dubbed "the Battle of Popolopen" each August.