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like when the whole world froze https://en.m.wikipedia.org/wiki/Ordovician
or thousands of years of lava pouring out https://en.m.wikipedia.org/wiki/Permian%E2%80%93Triassic_extinction_event
Remember Venus is a Earth like planet and even relatively close to the habitable zone (depending on your definitions and error bars). Just because it's a planet like Earth, doesn't mean it would support life.