October 12 is the 285th day of the year.


  • 1931, Monday
    • 10:30 a.m.: Marty McFly and Citizen Brown ended up at this date, due to a malfunction in the time circuits instead of the intended date August 26.
    • 10:40 a.m.: The Hill Valley Science Expo was in preparations.
    • 1:00 p.m.: Edna showed a photo to Arthur McFly proving that Trixie Trotter wasn't a US citizen and got her fired from her job as host of the Science Expo.
    • Despite some setback, Marty managed to break up Edna Strickland and a young Emmett Brown, as well as getting the latter to follow his true interest in science.
    • Unspecified: Arthur got hitched to Trixie (real name Sylvia Miskin) so that she can pass as a US citizen.
    • Citizen Brown picked up a heartbroken Edna and proposed a plan to get her and Emmett back together.

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