Which year nanotechnology was invented?

Nanotechnology, as a concept, was popularized by physicist Richard Feynman in his 1959 lecture "There's Plenty of Room at the Bottom." However, the term "nanotechnology" was coined by K. Eric Drexler in 1986. While the foundational ideas emerged in the mid-20th century, practical applications and advancements in the field have continued to evolve since then.