1. On March 30, 1854, the first official land survey of Wyoming Territory was completed. Surveyors were sent to map out the land for future settlement and development.

2. In 1870, a stagecoach robbery occurred near Rawlins, Wyoming on March 30. The robbers posed as travelers and attacked the coach, making off with over $10,000 in gold and cash.

3. On March 30, 1886, the first locomotive arrived in Sheridan, Wyoming. The arrival of the train sparked a boom in the town's economy, resulting in the construction of businesses and homes.

4. The world's largest mineral hot spring, located in Thermopolis, Wyoming, was officially opened to the public on March 30, 1896. The hot spring has been a popular tourist attraction for over a century.

5. In 1973, Wyoming Governor Stan Hathaway signed the Equal Rights Amendment, making Wyoming the first state to formally support the amendment. The amendment aimed to prohibit discrimination based on gender and ensure equal rights for all citizens.