The order

01011000, 10000101, 01-01-1000, 1000-01-01. The one thing all these numbers have in common is the memory that they trigger (and also the fact that they're binary but that's not the issue).

once someone comes in contact with any of them, they are immediately reminded of the beginning of recorded history.

one day the entire world gained what was perceived as free will. they never felt chained or forced against their will before then but after that day, they felt like they were finally able to do what they truly wanted. This led to a whole year's worth of chaos and was the first ever recorded event in history.

events before that time could not be recorded because there was hardly anyone with memories of them and no one knew why(generally speaking). It was also a wonder why there were no records of the past before then but there was no record to depend on to tell why there was no record.

In the end the chaotic year was dubbed the year of oblivion and everyone one went on with