Lows overnight should be in the upper 70s. On June 24, 1860-158 years ago today-Lt. William H. Echols left a frontier-era camel base outside of San Antonio with 20 camels as well as 25 pack mules to map parts of West Texas, identifying water sources and selecting a location for a fort near the trail that Comanche war parties used.

In 1793, the first republican constitution in France was adopted.

In 1947, what’s regarded as the first modern UFO sighting took place as private pilot Kenneth Arnold, an Idaho businessman, reported seeing nine silvery objects flying in a “Weaving formation” near Mount Rainier in Washington.

In 1957, the U.S. Supreme Court, in Roth v. United States, ruled 6-3 that obscene materials were not protected by the First Amendment.

In 1983, the space shuttle Challenger – carrying America’s first woman in space, Sally K. Ride – coasted to a safe landing at Edwards Air Force Base in California.

One year ago: President Donald Trump and first lady Melania Trump were among the guests as Treasury Secretary Steven Mnuchin married Scottish actress Louise Linton in Washington.