How Do You Know That in 19 18 the Spanish Flue Was a Pandemic?

"How do you know that in 19 18 the spanish flue was actually a a pandemic? Because the books told me. Why can't the rest of people figure that out?" "You history that you think you know is not real history. It's not factual history," Saed says. 'What if we didn't have pod casts like this one? What if we didn't? That's the ironic thing, bro their technology that they created, actually out of them on their own.'