A million dollars can go a long way. But for people who made a million dollars in years past, that amount of money went even farther. That's because inflation eats away at the purchasing power of $1 million — or any amount of money, for that matter — over time.
Read More: What Is Inflation, and Why Should I Care?
Using this trusty inflation calculator, we figured out several millionaires "firsts" in history, like the first athletes and media stars to make $1 million. Included on this list is John Jacob Astor, the first American multi-millionaire. He made his fortune in the fur trade. When he died in 1848, he was worth an estimated $20 million. His fortune would be worth approximately $100 billion in today's dollars.