In this reality, the Space Shuttle Challenger exploded in January 1986. However, it’s clear that many others recall it exploding earlier. (Also, the Columbia disaster was much later in 2003, so it’s not a simple name confusion.)
In fact, in 2010 — before the Challenger topic became popular at this website — someone actually posted a Challenger explosion video at YouTube, and labeled it as a 1984 event. Was that deliberate misinformation, or the result of someone else’s alternate memory? (That’s a rhetorical question no one can answer with available data.)
One of the first references to an alternate Challenger memory was posted in 2012 by colin:
Secondly,and most importantly is the explosion of the Challenger space shuttle.I was in my final year of junior school and there was a TV set that was swithed on in the dinner hall to show pupils what had happened.I know every detail of that room,the position of the TV and various people including a girl that i fancied who spoke to me for the first time ever that day.That day however was in 1983 and NOT 1986 as other websites would have me believe.There is no way in hell it happened in my later school in 1986 because certain people,including that girl never went there.We also never had that dinner hall with the TV set which was used at other times to show us educational schools programs.
I’ve moved most of the Challenger-specific comments to this post. So, starting now, this is the best place for Challenger-related comments and conversations.