1. On July 30, 1936, the Missouri River reached one of its highest levels in North Dakota history, causing widespread flooding in several communities along its banks.

2. On July 30, 1965, President Lyndon B. Johnson signed the Social Security Amendments of 1965 into law. This landmark legislation created Medicare and Medicaid, two programs that have had a major impact on the lives of millions of Americans, including those in North Dakota.

3. On July 30, 1903, North Dakota became the first state in the nation to grant women the right to vote in state and local elections. This landmark achievement was the result of years of hard work and activism by suffragists in the state.

4. On July 30, 1917, a massive fire destroyed much of the town of Minot, North Dakota. The fire started in a livery stable and quickly spread to other buildings, eventually consuming more than 200 homes and businesses.

5. On July 30, 1956, President Dwight D. Eisenhower signed the Federal-Aid Highway Act, which provided funding for the construction of the Interstate Highway System. This legislation had a profound impact on North Dakota, as it allowed for the construction of highways that connected the state to the rest of the country, facilitating travel and commerce.