About Social Media Day
On June 30th 2010, Mashable launched Social Media Day as a way to recognize and celebrate social media’s impact on global communication.

Similar Observances
Free Comic Book Day
Free Comic Book Day is a national holiday where you can visit your local comic shop and get free comic books!
Read More
Read More
Other Observances on June 30th 2025
International Asteroid Day
Asteroid Day observed to inspire, engage and educate the public about asteroids opportunities and risks.
Read More
Read More