In 1815, the Indonesian volcano Tambora blew its top and is the most powerful volcanic eruption ever recorded.
https://en.wikipedia.org/wiki/1815_erup ... nt_Tamborawikipedia wrote:The ash from the eruption column dispersed around the world and lowered global temperatures in an event sometimes known as the Year Without a Summer in 1816. This brief period of significant climate change triggered extreme weather and harvest failures in many areas around the world.
Then there was Krakatoa in 1883
https://en.wikipedia.org/wiki/1883_eruption_of_Krakatoawikipedia wrote:The eruption caused a volcanic winter. In the year following the eruption, average Northern Hemisphere summer temperatures fell by 0.4 °C (0.72 °F)
