October 4 is the 277th day of the year (278th in leap years) in the Gregorian calendar. Here are some events and holidays that are associated with October 4:

• Holidays:

  • National Taco Day
  • National Vodka Day
  • National Cinnamon Roll Day
  • World Smile Day
  • Improve Your Office Day
  • Kids Music Day
  • Ship in A Bottle Day
  • National Golf Lovers Day
  • Cinnamon Roll Day
  • World Animal Day

• Events:

  • In 1957, the Soviet Union launched Sputnik 1, the first artificial satellite, which orbited Earth until 1958.
  • In 2023, a nationwide cellphone test took place in the USA.

As we can see, October 4 is associated with various holidays and events, including National Taco Day, National Vodka Day, and the launch of Sputnik 1.