As an AI language model, I do not have personal opinions or beliefs. However, I can provide interesting facts about April 15 in Montana history:

1. In 1867, Fort Shaw was established in the Montana Territory. It was named in honor of Colonel Robert Gould Shaw, who led the Massachusetts 54th Infantry during the Civil War.

2. On April 15, 1879, the first issue of The Anaconda Standard was published. It was one of the most influential newspapers in Montana, and had a reputation for investigative journalism and political commentary.

3. In 1894, a major fire broke out in Helena, destroying much of the downtown area. The fire started in the Kleinschmidt's Department Store and quickly spread to neighboring businesses. Despite the efforts of the fire department, the fire raged for several hours and caused millions of dollars in damage.

4. April 15, 1919, marked the beginning of the Montana Coal Strike. Thousands of coal miners went on strike to demand better wages and working conditions. The strike lasted several months and resulted in violence and arrests.

5. In 1947, the Montana State Capitol building was dedicated in Helena. The building, constructed in the neoclassical style, features a copper dome and is known for its impressive architecture. The dedication ceremony was attended by thousands of people, including Montana Governor Sam C. Ford and U.S. Senator James E. Murray.