1. On October 27, 1825, the first steam-powered locomotive arrived in New Orleans, marking the beginning of a new era for transportation in Louisiana. The locomotive was the brainchild of Henry Robinson Palmer and had been shipped from England to New Orleans, where it would be used to power the city's first railway system.

2. In 1930, Louisiana politician Huey P. Long was elected governor of the state. Although he was a controversial figure, Long was known for his efforts to improve the lives of the state's poor and working-class citizens. During his time in office, he implemented a number of policy initiatives, including a statewide highway program and the construction of the Louisiana State Capitol building.

3. On October 27, 1886, the city of New Orleans dedicated its new public library, which was named in honor of American philosopher and writer Ralph Waldo Emerson. The library was designed by the firm of James Gallier and Sons and featured a distinctive spiral staircase that became a popular attraction.

4. In 1973, the New Orleans Saints played their first-ever Monday Night Football game. The game, which took place at Tulane Stadium, was against the Oakland Raiders and was memorable for its high-scoring back-and-forth battle that ended in a 51-48 victory for the Raiders.

5. On October 27, 1904, the Louisiana Purchase Exposition (also known as the St. Louis World's Fair) officially closed its doors after a six-month run. The fair had attracted millions of visitors from around the world and had showcased the best of Louisiana's culture, industry, and agriculture to a global audience. The event was a fitting tribute to the 100th anniversary of the Louisiana Purchase, which had doubled the size of the United States in 1803.