🔍︎
Dark Mode
National days, ongoing national weeks and months, and global observances for April 3, 2026. Plus historical events and birthdays.
These observances run for a full week; this calendar day falls inside the week.
These observances last the full month; this date is part of that month-long celebration.
Showing the first 12 on this date; there are more month-long observances. See the full months list for April.
International and other global observances on this date (may include days, weeks, or months).
Events that occurred on April 3 throughout history
Relay teams on horseback begin delivering the first post as part of the Pony Express. The private enterprise consisted of over 80 riders and hundreds of stations along the east-west routes that stretched from St. Joseph, Missouri and Sacramento, California. While the Pony Express only operated for 18 months, during that time it was a success. With the incorporation of the Overland Telegraph Company of California and the Pacific Telegraph Company of Nebraska, the Pony Express' days were numbered.
Due to the absences of Supreme Court Chief Justice William H. Rehnquist and Justice John Paul Stevens, Supreme Court Justice Sandra Day O'Connor becomes the first woman to preside over the highest court in the land.
Apple Inc. releases the iPad, its first-generation tablet computer.
