Conversation so far:
Was Fred Hampton involved with any court cases?
Yes  civil rights of the Black Panther members were violated by the joint police/FBI raid
What was the result of that suit?
After jurors deadlocked on a verdict, Perry dismissed the suit against the remaining defendants .
Why did the suit take over a decade?
More than a decade after the case had been filed, the suit was finally settled for $1.85 Million. The two families each shared in the settlement.
What political impacts did Fred Hampton have?
In May 1969, Hampton called a press conference to announce that this rainbow coalition had formed.
Are there any other interesting aspects about this article?
In 1990, the Chicago City Council unanimously passed a resolution, introduced by then-Alderman Madeline Haithcock, commemorating December 4, 2004, as Fred Hampton Day in Chicago.

Question: Why was he given his own day?
Self-contained rewrite: Why was Fred Hampton given his own day?