Pi Tau Sigma Bar Crawl Fall 2019 Heading link Copy link Pi Tau Sigma bar crawl attendees at Bar 10 Doors. Homework Night 10/2/19 Heading link Copy link Homework night from October 2nd, 2019 Pi Tau Sigma National Conference 2019 Heading link Copy link Members who attended the Pi Tau Sigma National Convention in Colorado State in 2019.