When did D&D 4E release?

Excuse me, I was wondering if you could enlighten me on the release date of Dungeons & Dragons 4th Edition, also known as D&D 4E? I'm quite intrigued by the changes and updates it brought to the table and am eager to learn more about its timeline within the realm of tabletop role-playing games. If you could provide me with a concise yet informative answer, I would greatly appreciate it.