Conversation so far:
What did Rogers have to do with the VCR?
Fred Rogers testified in a court case over fair use of the VCR and Betamax technologies.
Why did Mr. Rogers go to court?
Fred Rogers testified in a court case over fair use of the VCR and Betamax technologies.
Did Mr. Rogers win in court?
In the end, the court sided with Fred Rogers and Betamax.
Are there any other interesting aspects about Mr. Rogers and the VHS vs Betamax case besides the court siding with Fred Rogers and Betamax?
The same points of law relevant in the VHS vs. Betamax Case would reemerge two decades later in cases against file-sharing sites Napster and Grokster.

Question: When was the court case?
Self-contained rewrite: When was the VHS vs. Betamax court case?