1. On January 19, 1863, the Idaho territorial legislature approved the town of Boise as the state capital. The town had been chosen as the site for the capital due to its central location within the new territory and its access to transportation routes.

2. In 1899, on January 19th, Boise's first electric streetcar line was inaugurated. The streetcars were a popular mode of transportation in the early 20th century, running on rails throughout the city until the last line was discontinued in 1928.

3. On January 19, 1960, Idaho experienced one of its most severe winters on record. The extreme cold and heavy snowfall caused extensive damage to homes, businesses, and infrastructure, and left many communities isolated for weeks. The winter of 1959-1960 is still remembered as one of the most difficult in Idaho's history.

4. On January 19, 1993, the Idaho State Senate voted to approve the appointment of Dirk Kempthorne as the state's 29th governor. Kempthorne served two terms as governor, during which time he worked to improve the state's education system and promote economic development.

5. On January 19, 2001, Idaho's Craters of the Moon National Monument and Preserve was designated as a national park by President Bill Clinton. The park showcases unique volcanic formations and lava tubes that attract millions of visitors each year.