1. On February 26, 1917, the Idaho State Legislature passed a landmark bill allowing women the right to vote in primary elections. This was a significant step towards women's suffrage, which was later granted through the 19th amendment to the US Constitution.

2. On February 26, 1935, the first ski lift in the United States was installed at Sun Valley Resort in Ketchum, Idaho. The resort had been developed as a top-notch ski destination by Union Pacific Railroad, and the addition of the ski lift made it even more accessible to visitors.

3. The US Atomic Energy Commission chose the Idaho National Laboratory site on February 26, 1949. This marked the beginning of almost 70 years of nuclear technology research at the Idaho facility, which has included reactor operations and decommissioning, as well as the development of advanced nuclear energy systems.

4. On February 26, 1963, the Idaho State Capitol building was added to the National Register of Historic Places. This iconic building was completed in 1912, and is known for its stunning architectural design, including a dome made of copper and marble.

5. In 1994, on February 26, Randy Weaver was awarded $3.1 million in damages by a federal court in a case stemming from a deadly standoff between Weaver and federal agents at his remote cabin in northern Idaho. Weaver had refused to appear in court for weapons charges, and the ensuing confrontation resulted in the death of Weaver's son and a federal agent. The case has been controversial, with some considering Weaver to be a political prisoner.