1. The Battle of the Marais des Cygnes took place on January 25, 1865, in Montana. The battle was fought between Union forces led by Captain H. H. Rankin and Confederate forces led by Captain William T. Campbell. The Union forces were able to defeat the Confederates, in what is considered to be one of the last battles of the American Civil War.

2. On January 25, 1935, Montana Governor Frank Cooney signed a bill approving the design for the current state flag. The flag features the state seal with the words "Montana" above it and "Oro y Plata" (meaning "Gold and Silver" in Spanish) below it.

3. The Montana State Capitol building was dedicated on January 25, 1902. The building, which was designed by architect Charles Emlen Bell, features a Classical Revival style and is listed on the National Register of Historic Places.

4. On January 25, 1978, a massive blizzard known as the Great Blizzard of 1978 struck Montana. The storm brought snow and high winds, causing widespread power outages and transportation disruptions. Some areas received up to 3 feet of snow, and the storm resulted in several deaths and millions of dollars in damages.

5. The Montana Territory was established on January 25, 1864, by an act of Congress. The territory, which included parts of present-day Montana, Wyoming, and Idaho, was created to expand American settlement and to provide a safe route for miners and settlers traveling to the gold fields in Montana. The Montana Territory became the 41st state to join the Union on November 8, 1889.