added 52 years ago

Yeo I confirm it is broken: https://flightsim.to/recent-activity/since-visited

Well, that aint so long ago - I was 22 then!

I've the same "issue" since about 1 week (or 2)...

This bug was only causing a wrong date to be shown (52 years ago), but the the sorting was not affected. Anyway, fixed now, thanks!

Thanks