U.S. Highway 131 (Main Street in the village) leads to Kalamazoo to the north and to the Indiana Toll Road six miles to the south.

The St. Joseph River, navigable from source to outlet, passes through the village, emptying in Lake Michigan to the west.

Constantine is the birthplace of Harry Hill Bandholtz, a US brigadier general in World War I and head of the US Military Mission to Hungary.

The Potawatomi and related Native Americans historically had villages along the St. Joseph River and other waterways.

Several of their leaders signed the Treaty of Chicago, agreeing to cede much of their land in southwestern Michigan, Indiana and Ohio country.

A Yankee from New York or New England, he moved to several other frontier areas, each time having a town named after him.

When using names of classical figures later came into vogue, the village was renamed for the Roman emperor Constantine the Great.

[5] The Main Street of town is a historic center with richly detailed, two-story commercial buildings of the late 19th century.

John S. Barry, the fourth and eighth Governor of Michigan resided in Constantine.

This is because of the fire department numbering system in Saint Joseph county making them station #4.

Monday through Friday from 8am to 5pm the station is staffed with a single firefighter to respond to calls.

It was needs this large amount of water due to the lack of hydrants within the townships.

This requires the need of a 4x4 vehicle that can gain access to the woods and fields to extinguish the fires.

They are both lifted and have 4 wheel drive to allow access to normally inaccessible areas for the larger fire trucks.

Its most common response is to car accidents as the unit carries the Jaws of Life.