Again By Heart

Lets build out and share timelines of dates for significant events into a master spreadsheet.

I've seen a few different lists of events out there so we should gather them up and build upon them as mile markers for what was happening in different eras.

Here's one list of events to kick it off https://hitrecord.org/records/1606107

Here's a chart I put together a year ago with JGL movie releases and record counts