When was the first alien report?

The first widely recognized report of an unidentified flying object (UFO) in the modern era occurred on June 24, 1947, when businessman Kenneth Arnold claimed to see nine unusual flying objects near Mount Rainier in Washington state. This sighting is often credited with sparking public interest in UFOs and the possibility of extraterrestrial life. However, there are earlier accounts of unidentified aerial phenomena, such as sightings in the 19th century and even ancient times.