1) In 1890, American composer Samuel Barber was born in West Chester, Pennsylvania. Despite not having any direct connections to Idaho, Barber's classical music has remained popular in the state's artistic community.

2) On April 9, 1930, the Idaho Legislature passed the "Bipartisan Act," which created a nonpartisan state board of examiners. The move aimed to limit political influence on government hiring and promotion practices.

3) Two Idaho National Guard soldiers, Staff Sgt. Leroy Petry and Sgt. 1st Class Randall Shughart, were awarded the Medal of Honor on April 9, 2003, for their heroic actions during the Battle of Mogadishu in Somalia in 1993.

4) In 2001, the city of Boise celebrated its sesquicentennial, marking 150 years since the founding of the city in 1863. Festivities included parades, concerts, and historical reenactments.

5) On April 9, 2016, the Idaho Steelheads hockey team won its first-ever playoff series against the Colorado Eagles. The victory came in the team's 19th season since its founding in 1997.