National days, ongoing national weeks and months, and global observances for October 4, 2026. Plus historical events and birthdays.

October 4, 2026 celebrates National 10-4 Day, plus 4 more. National 10-4 Day on October 4th honors CB radio culture, truckers, travelers, and one of America’s most recognized radio phrases: “10-4,” meaning message received.
Read the full story →National Golf Lover's Day on October 4th is the ultimate green light for golf enthusiasts to hit the links, especially for those in places where the season is winding down. Today is your official excuse to chase that elusive hole-in-one at least one more time. That crisp autumn air, the stunning fall foliage, and the satisfying thwack of a perfect drive is the perfect time to celebrate!
Read the full story →During the first week of October, Primary Care Physicians around the country come together to focus on improving care for their patients during National Primary Care Physician Week. The week also offers an opportunity to showcase new approaches to healthcare, celebrate progress, network with colleagues and explore new avenues for underserved populations.
Read the full story →Longer-running observances that include this date.
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