When did Facebook introduce the Like button?

Facebook introduced the Like button on February 9, 2009. This feature allowed users to express their approval or appreciation for posts, photos, and other content shared on the platform with a simple click of the button. The Like button quickly became one of the most iconic and widely used features on Facebook, shaping the way users engage with content and interact with each other on the platform.

Facebook introduced the Like button on February 9, 2009.