Phi Delta Chi was originally founded as Phi Chi in 1883 at the University of Michigan.
In 1909 the name was officially changed to Phi Delta Chi.
An example of the badge in 1883:
An example of the second version of the badge circa 1890s:
This version of the badge was published in the
Michigan Book printed in1898, and in some of the student yearbooks from that time as well.:
Current version of the badge:
