Homecoming Week takes place the week of September 18, and the spirit dress-up days are as follows:
Monday: Hat Day
Tuesday: USA Day
Wednesday: Twin Day
Thursday: Yinzer Day
Friday: Concert T-shirt or Homecoming T-shirt Day
Hawk Eye • September 14, 2017 • https://bphawkeye.org/news/2017/09/14/crazy-hats-twins-and-yinzers-it-must-be-homecoming-week/
Crazy hats, twins, and yinzers: It must be Homecoming Week