Arvon Block

Historical marker location:

114-118 1st Avenue South, Great Falls, Montana

( Marker is on 1st Avenue South near 2nd Street South, on the left when traveling west.)

Great Falls Central Business Historic District.

Montana was the last state to raise its legal drinking age to 21, doing so in 1987 after a federal law was passed that required all states to have a minimum drinking age of 21 or risk losing federal highway funding.