Based on the search results, there is nothing particularly special about October 4th. It is the 277th day of the year (278th in leap years) in the Gregorian calendar. Some notable events that have occurred on this day in history include the launch of Sputnik 1 by the Soviet Union in 1957, the independence of Lesotho from the United Kingdom in 1966, and the freeing of Corsica by Free French in 1943. Additionally, there are several holidays and observances that fall on October 4th, including National Taco Day, National Vodka Day, and International Walk to School Day.