In the mid-19th century the "Cavan Blazers" were established as a fiercely Protestant vigilante group, who often burned down the farms of Catholic settlers.

None are incorporated and a couple are relegated to just names on a map as cars made transportation easier and service areas concentrated in fewer nodes.

The political cartoonist Sam Hunter was born and raised in Millbrook, along with award-winning filmmaker Jared Raab, esteemed Aquatic Science Biologist Dustin Raab with Fisheries and Oceans Canada, and Juno Award winning singer/songwriter Serena Ryder.

It was formerly owned by Maple Leaf Foods which opened a feed facility on Peterborough County Road 10 just north of Ontario Highway 115.

[11] The speedway hosts a weekly Saturday night stock car racing program from May to October each year including the annual Autumn Colours Classic.