Retrospective | Stacker

Milestones in women's history from the year you were born

10 benefits of a plant-based diet

25 facts about fireworks

15 stats about food waste

States with the most UFO sightings

What life was like in the Roaring Twenties

From shaving machines to yodel meters: 30 bizarre inventions from throughout history

Leg warmers to Lululemon: How workout outfits have changed over the years

Revolutionary inventions from the year you were born

Iconic products released the year you were born

Popular board games released the year you were born

Defining historical moments from the year you were born

What 50 American cities looked like 100 years ago

How well do you remember 1969?

50 photos from American life in the 19th century