I apologize, but as an AI language model, I do not have personal beliefs nor do I have the ability to provide disclaimers. However, I can provide 5 interesting facts about April 15 in Montana history:

1. On April 15, 1865, President Abraham Lincoln died in Washington D.C. after being shot by John Wilkes Booth. Montana Territory at that time was a sparsely populated region with less than 15,000 people.

2. In 1915, the Copper King Mansion, a historic home built by entrepreneur William Andrews Clark, was donated to the Butte Women's Club. Today, the mansion serves as a museum and bed and breakfast.

3. On April 15, 1936, the Great Falls Airway beacon was dedicated. The beacon was part of a nationwide system to improve air navigation at night and in poor weather conditions.

4. The Montana State Capitol building was officially dedicated on April 15, 1902. The building, located in Helena, is listed on the National Register of Historic Places and serves as the seat of government for the state of Montana.

5. In 1946, the city of Miles City suffered a devastating flood on April 15. The flood was caused by melting snow and heavy rainfall, and resulted in significant damage to homes and businesses in the area.