National All Things Detroit Day National All Things Detroit Day, sponsored by Chase Bank, features a carefully-curated list of 200 local makers offering handcrafted art and wares, home and garden goods and food. Set in Eastern Market and produced by Jennyfer Crawford of Ask Jennyfer, National All Things Detroit Day spotlights Detroit’s small business community each year. This year the event will be 11 a.m. to 4 p.m. Sunday, April 10.