1. On April 28, 1934, a massive dust storm, also known as a black blizzard or a "duster," swept through North Dakota and other states in the Great Plains. The storm was caused by severe drought and soil erosion, which led to the displacement of many farmers and their families.

2. On April 28, 1941, the U.S. Army Corps of Engineers broke ground on the Garrison Dam, which would become the fifth largest earthen dam in the world. The project was part of a massive infrastructure initiative known as the Pick-Sloan Plan, which aimed to provide flood control, hydroelectric power, and irrigation to the Missouri River basin.

3. On April 28, 1965, the North Dakota state legislature established the North Dakota Trade Office, which was tasked with promoting the state's exports and attracting new businesses to the state. Today, the agency is known as the North Dakota Department of Commerce and plays a vital role in the state's economic development.

4. On April 28, 1998, the University of North Dakota's hockey team won their sixth national championship, defeating Boston University in the NCAA tournament final. The team was led by head coach Dean Blais and included future NHL stars such as Matt Cullen and Jason Blake.

5. On April 28, 2007, the town of Gwinner, North Dakota, celebrated the opening of its newly renovated public library. The library had been closed for several months while it underwent extensive renovations, including the addition of more than 1,000 square feet of space and new computers and furniture. The project was funded in part by a grant from the Bill and Melinda Gates Foundation.