1. In 1904, Nebraska's state farmers' institute held its annual meeting in Omaha on August 4. The event brought together farmers, scientists, and experts to share knowledge and discuss advancements in agriculture.

2. On August 4, 1919, Nebraska became the 14th state to ratify the 19th Amendment, which granted women the right to vote. The vote was held during a special session of the state legislature called by Governor Samuel R. McKelvie.

3. In 1936, the Ak-Sar-Ben horse races were held on August 4 at the Ak-Sar-Ben race track in Omaha. The event, which was started by the Knights of Ak-Sar-Ben in 1920, featured some of the best horses and jockeys in the country and attracted thousands of spectators.

4. On August 4, 1965, the Nebraska legislature approved a $5.5 million bond issue for the construction of a new state capitol building. The current capitol, which was completed in 1932, had become overcrowded and outdated.

5. In 1987, a tornado hit the small town of Brule, Nebraska on August 4, causing extensive damage to homes, businesses, and the local school. Despite the destruction, no one was killed or seriously injured, and the community rallied together to rebuild and recover.