In your ACP for your Events module, under the General/global tabs- you will first decide whether you want all your 60+ pages of PAST events to continue showing and accumulating.
IF you decide to not show past events, it simplifies things a bit- you can first check that box and refresh cache. See if you like the result. If so you are all set. If not you can reverse the order of the remaining current or future events, by:
go via ACP to your jrEvent modules templates and go to the index.tpl and look for something like: order_by=
if it's order by: "event_date asc" change asc to desc
if it's desc, change to asc. (these are ascending/descending ordering)
Then save that, check the template to activate your change and SAVE, clear cache again and see if it's in the right order now. You can 'reset' the template back if you don't like the change.
You may want to change this in item_index.tpl as well if you like the results.
Wanting all past events to also continue showing along with current and future events in certain order makes this a bit more complicated than I can advise for. I mean, even if you re-order to show 'most recent first'- you may wind up with an Events Index page where people have to first scroll through a whole bunch of events that are far in the future like two years from now....which might not be good either.
I have past events checked to NOT show, and my template for events page (index.tpl) has it ordered by asc, which yields this:
http://fotmd.com/event/all Maybe that helps?
If you don't care to show or save past events at all, you can go through them all and delete long ago ones to save server space if you like.
P.S. funny thing- on that link you gave,
https://americymru.net/event/all/p=1 the fellow holding the fried chips is Tom Hope- owner of the Welsh pub just two blocks from my house, in our own little village! We used to play fiddle tunes there often.
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...just another satisfied Jamroom customer.
Migrated from Ning to Jamroom June 2015
updated by @strumelia: 01/26/16 02:55:09PM
JAMROOM
I don't intend that people should view that page often but it was a little weird having events from 2008 showing up at the top of the page. I'm in the middle of a big drive to lively up the Events pages so I want them to be 'just so' 
