A municipality in Belgium. A battle (#OnThisDay in 1815). Napoleon's defeat.
Waterloo is all that, but no just that.
It's also a beer. And sparkling water. And a metro station. There are +20 EU trade marks related to Waterloo.
Check them out on eSearch https://euipo.europa.eu/eSearch/#basic/1+1+1+1/100+100+100+100/Waterloo