The history of Blackberry: The best BlackBerry phones

BlackBerry was born on 19 January 1999, with the release of the BlackBerry 850. In the immediate years that followed, the brand grew exponentially, offering something all its competitors couldn't touch: Emails on the go. In its heyday, it offered some of the best smartphones on the planet.

Source : https://www.pocket-lint.com/farewell-blackberry-os-here-are-the-23-best-blackberry-phones-that-changed-the-world/