Skip to main content

The timeline can be navigated with the “Scroll Left” and “Scroll Right” buttons or by dragging the pointer to a date on the timeline waveform (located at the bottom of the screen on the desktop version and on the left of the screen on mobile). To filter by a particular topic and see a smaller section of the data, make a selection on the dropdown “Filters” menu or click “Search” to do a keyword search. Hover over the abbreviated filter tags in the blue boxes to see the complete name of the filter, or click a filter to display all the data with this tag. If you want to take a deeper dive into a specific topic by viewing a narrative essay page and a curated timeline, click on “Stories.”

Read More

Earle Haas invents the tampon.

Date: 1929

RHRR

After going camping with a friend who used sponges to catch menstrual blood, Haas goes home and creates a tampon with an applicator. The new product is slow to market, as until the 1970s, public concerns about tampons "destroying virginity" will prevent larger sales.