1. Idaho became a state on October 2, 1890. This day is celebrated as Idaho Day in the state.

2. In 1958, the new state capitol building in Boise was dedicated on October 2. The building took four years to construct and is known for its Art Deco style.

3. On October 2, 1914, the first issue of the Idaho Statesman newspaper was published in Boise. It is still in circulation today and is one of the oldest newspapers in Idaho.

4. In 1963, the Idaho State Board of Education announced the creation of a community college system on October 2. This led to the establishment of several community colleges throughout the state.

5. On October 2, 2006, the Idaho Supreme Court upheld the state's ban on same-sex marriage, ruling that it did not violate the constitution. However, this ruling was eventually overturned in 2014 when a federal judge ruled that the ban was unconstitutional.