Answer the following Q with stream of consciousness. Passage: The Chicago Pride Parade, also colloquially (and formerly) called the Chicago Gay Pride Parade or PRIDE Chicago, is the annual pride parade held on the last Sunday of June in Chicago, Illinois in the United States. It is considered the culmination of the larger Gay and Lesbian Pride Month, as promulgated by the Chicago City Council and Mayor of Chicago. Chicago's Pride Parade is one of the largest, by attendance, in the world.

Question: Based on this passage, when is the gay parade in chicago illinois?
The relevant information is: The Chicago Pride Parade, also colloquially (and formerly) called the Chicago Gay Pride Parade or PRIDE Chicago, is the annual pride parade held on the last Sunday of June in Chicago, Illinois in the United States. Therefore, the final answer is the last Sunday of June.