The US Supreme Court ruled on United States v. Nixon. Nixon lost, the tapes that were the subject of the appeal were finally released by the House Judiciary Committee to the media on August 5th. Nixon announced his resignation August 8th as a direct result of what was on the disputed tapes, particularly the June 23, 1972 tape.
By the way, there was an 18 1/2 minute gap in that June 23, 1972 tape where it had been erased. Many historians believe that Nixon during that time period was discussing Mr. “Hidell” whose receipt for a Mannlicher-Carcano mail-order rifle is in the post below.