Oldest boxrec fight recorded?

[DragonClaw1025]

I'm working on a documentary for boxing and to start I need to find the oldest boxrec bout because it's the base I'm going off of, does anyone know who the fighters were and when the fight was? Please send a boxrec link to the bout.

[Ric]

1 June 1866 : https://boxrec.com/en/event/43945