After the Borg sphere fired multiple torpedoes at an unspecified location on Earth (it was a missile complex in central Montana at the shanty town of Bozeman), theEnterprisefired upon the sphere and destroyed it; it was learned that the exact date was April 4th ("The day before First Contact"), only one daybeforepilot-astronaut and inventor Zefram Cochrane""s (James Cromwell) historic warp ship (thePhoenix,constructed from a nuclear missile) flight from Montana - it was the first vessel capable of entering warp speed and having "first contact" with aliens who were on a survey mission ("one of the pivotal moments in human history"), something the Borg wanted to prevent from happening (since it would lead to technological developments and resistance to them).If you""re lucky, you get to stay in the perimeter at night and then you pull a three-hour guard shift, so maybe you sleep three, four hours a night, but you don""t really sleep.Harry bid his good pal Hagrid goodbye before boarding the Hogwarts Express back to London.Hagrid advised him to use magic on cousin Dudley Dursley during the summer if he caused any further trouble, but Harry responded: "But we""re not allowed to do magic away from Hogwarts.After Marty acquired the almanac by stealing it from Biff during a tense hoverboard-car chase sequence, he was able to succeed in his mission ("the future is back") by burning the almanac (and he also buried Biff under a pile of manure - "Manure.