Whether you love or hate your brows, chances are, they're here to stay. We spend a lot of time struggling with our brows, but we're not alone in our struggles. Turns out women have struggled through brow trends for hundreds of years. Whether you fancy the thin, penciled in eyebrows of the '20s, or the bushy eyebrows of the '40s, there's a look here for everyone to love. Check it out.