When was 144p 240p 360p 480p 720p 1080p 1440p 2160p and 4320p created?

The resolutions 144p, 240p, 360p, 480p, 720p, 1080p, 1440p, 2160p, and 4320p were developed over several years as technology advanced. Standard Definition (SD) resolutions like 144p, 240p, and 480p were common in the early 2000s, while High Definition (HD) resolutions like 720p and 1080p emerged in the mid-2000s. The introduction of 1440p (Quad HD) came around 2010, with 2160p (4K UHD) appearing around 2012, and 4320p (8K UHD) being discussed and developed in the mid-2010s. Each resolution represents a step up in clarity and detail as display technology evolved.