National days, ongoing national weeks and months, and global observances for August 17, 2026. Plus historical events and birthdays.
August 17, 2026 celebrates National Thrift Shop Day, plus 4 more.
Read the full story →
Founded in 2015 by National Day Calendar® and Carolyn D. Jenkins.
Read the full story →
On August 17, National Nonprofit Day (NND) recognizes the goals and positive impacts nonprofits have on communities and the world.
Read the full story →
August 17 is National Pineapple Juice Day and an exciting time to celebrate the natural citrusy sweet taste of pineapple juice! Join us as we raise our glass to this tropical juice full of flavorful facts deserving of a celebration.
Read the full story →
National Massachusetts Day on August 17 recognizes the first New England colony and the sixth state to join the Union. Named after the indigenous people who populated the area when explorers (and later the pilgrims) first arrived, Massachusetts became an incubator for independence, education, and industry.
Read the full story →People born on August 17
Computer engineer who helped develop the Datapoint 2200. He also participated in the implementation of the the Intel 8008, the first successful computer microprocessor.
Longer-running observances that include this date.
National Wellness Month
Month
National Dog Month
Month
National Back To School Month
Month
Happiness Happens Month
Month
National Golf Month
Month
International Peace Month
Month
National Sandwich Month
Month
Romance Awareness Month
Month
Family Fun Month
Month
National Water Quality Month
Month
National Eye Exam Month
Month
National Crayon Collection Month
Month
Showing the first 12 — See all months for August.
