apr 9, 1919 - The 19th Amendment is passed giving women the right to vote. This is important because women could then begin to feel more like they were an asset to society and went on to make big discoveries in the STEM world. https://www.ourdocuments.gov/doc.php?flash=false&doc=63
Added to timeline:
Date:
apr 9, 1919
Now
~ 107 years ago