Yorklyn Day celebrates the history, community and resiliency of Yorklyn, the unincorporated community at the northwest corner of New Castle County, Delaware. Join the fun on the first Sunday in June, from 12 noon to 4 p.m., as we spotlight the heritage and spirit of this little known hamlet. Enjoy family fun for all ages with an artisan’s market, live music, food to suit every palate, craft beer, antique auto & train rides — and so much more!