1. In 1953, the city of Cedar Rapids experienced a devastating flood that caused over $20 million in damages. This flood is considered one of the worst natural disasters in Iowa's history.

2. In 1964, the Iowa State Fairgrounds in Des Moines hosted a concert featuring The Beatles. This concert drew a crowd of over 28,000 people and marked the only time The Beatles ever performed in Iowa.

3. On June 18, 1878, the state of Iowa officially adopted its state flag. The flag features three vertical stripes of blue, white, and red, as well as an eagle in the center.

4. In 1932, Iowa native Amelia Earhart became the first woman to fly solo across the Atlantic Ocean. Earhart's achievements paved the way for other female aviators and inspired generations of women to pursue careers in aviation.

5. On June 18, 1919, the 19th Amendment to the United States Constitution was ratified, granting women the right to vote. Iowa played a significant role in the suffrage movement, with several prominent suffragists hailing from the state.