1. In 1804, the Lewis and Clark Expedition reached the area that would later become Nebraska. They documented their journey in their famous journals, including descriptions of the landscape, flora and fauna, and interactions with Native American tribes.

2. In 1869, the First Transcontinental Railroad was completed with the driving of the golden spike in Promontory Summit, Utah. This railroad connected the eastern and western coasts of the United States and played a significant role in the growth and development of Nebraska.

3. In 1933, Amelia Earhart became the first woman to fly solo across the United States. She landed in Hamilton, Nebraska, where she was greeted by a large crowd and presented with a key to the city.

4. In 1975, the last American troops were withdrawn from Vietnam, officially ending the Vietnam War. Nebraska played a significant role in the war effort, with many Nebraskans serving in the military and others supporting the war effort through various means.

5. In 2014, the Nebraska Cornhuskers football team played in their first-ever Big Ten Championship Game, facing off against the Wisconsin Badgers. Although they lost the game, the Cornhuskers had a successful season and ended up playing in the Gator Bowl later that year.