I love a good Very Specific Resource. Here are the links to my posts about resources carefully crafted to share a specific bit of history (updated as needed)
Archive of 80s mixtapes - a whole lot of tapes from the 80s and also tapes of background music from Kmart in the 80s and 90s
Feast Afrique - What started as an exploration and celebration of West African culinary heritage has since expanded to include history, language, culture, and customs of West Africa and the African diaspora.
Letterform Archive - Thousands of high quality images celebrating graphic design, calligraphy, and typography. The beauty of letters!
Historic Menu Collection - Over 17,000 historic menus, 1.3 million historic dishes transcribed. Historic popularity and price range, map it, and more.
Palestinian Embroidery - Digital archives dedicated to the preservation of Palestinian embroidery. Over 1,000+ free patterns
Black Craftseople Digital Archive - enhancing knowledge of black crafts people (both free and enslaved) and the objects they produced.
Georgian Lady's Magazine Embroidery Patterns - Free embroidery patterns from 1770-1819
The Dutch Textile Trade Project - History and trade of textiles in the 17th and 18th centuries. Fabric types, images, data on trade.
Estonian Knitting - Bog knits! History! Techniques!