1. Nebraska became a state: September 23, 1867, marks the day when Nebraska became the 37th state of the United States of America. This event marked the end of a long struggle by the citizens of Nebraska territory to gain statehood.

2. First Air Mail Delivery: September 23, 1920, marked the first air mail delivery from New York to San Francisco with a stop in Omaha.

3. Harvest Moon: On September 23, 2010, Nebraskans were able to witness a rare event, the Harvest Moon. This event occurs when the full moon occurs closest to the autumnal equinox, which marks the beginning of fall.

4. First Nuclear Reactor: September 23, 1944, marked the day when the first nuclear reactor (known as the Chicago Pile-1) was activated as part of the Manhattan Project in order to develop an atomic bomb.

5. Nebraska Football: Nebraska's storied football program experienced a dramatic change on September 23, 2017, when former Cornhuskers quarterback, Scott Frost, was named head coach. Frost was a key member of the Huskers' 1997 National Championship team and brought high expectations to the program as a head coach.