What do you think caused the 1950s cooling era? Most of the world had unusual cooling and the only time to match that in the modern era was 2008 thru 2011 where we had severe winters in many parts of the world if you read weather forums back then the point REALLY stood out! Longer mountain snow too in many parts of the world and I heard that the globe cooled by -0.5C which doesn't sound like much but it made enough of a difference!

Then in 2013 onwards it's been one heat record after another after another not just in a local era either! Most of the heat were 'insane' events too like breaking all time records by 10F or more. Europe had a lot of it before it came over to the US and we joined in the fray causing Europe to rethink their stance on their minimizing air conditioning policies at least in Southern Europe. They are looking at AC now for the first time in just the last 5 years where it was limited availability before.