Here's an honest question: most people were and are not Christians and the popular history of science exclusively focuses on Western conceptions of the age of the Earth; what did non-Christians/non-Westerners believe about this in the 19th century and before?

I was referring to in her society where she lived in England, where that was the majority view. There were all sorts of different ideas about the age of the Earth elsewhere. But several other religions propose a creation mere thousands or tens of thousands of years ago. Interestingly, you can argue