1) On June 10, 1804, the Louisiana Purchase was officially transferred from France to the United States in a ceremony in New Orleans. This event doubled the size of the United States and granted access to valuable land and resources.

2) In 1871, the first train arrived in Shreveport, Louisiana, marking the beginning of the city's growth as a major transportation hub. The arrival of the train also brought a new era of economic development and prosperity to the region.

3) June 10, 1917, saw the launch of the first ever non-stop transatlantic flight, which departed from New York and landed in Lisbon, Portugal. The flight was piloted by American aviators John Alcock and Arthur Whitten Brown, and marked a significant milestone in the history of aviation.

4) In 1963, Governor James Noe of Louisiana signed the state's new segregation laws into effect on June 10, despite widespread protests and demonstrations. The laws were eventually overturned by the Supreme Court but served as a reminder of the ongoing struggle for civil rights and equality in the state.

5) On June 10, 1999, the Huey P. Long Bridge in Baton Rouge, Louisiana, was reopened after extensive renovations and modernizations. The bridge, which spans the Mississippi River, is named after the former Louisiana governor and senator who championed its construction as a vital transportation link for the state.