Arbor Day
Source: https://www.arborday.org/
Source: https://www.arborday.org/
Source: https://www.history.com/this-day-in-history/first-african-american-college-chartered
Source: https://www.wired.com/2010/04/0428itunes-music-store-opens/
Source: https://www.nasa.gov/image-feature/april-25-1990-deployment-of-the-hubble-space-telescope
Source: https://www.syfy.com/syfywire/april-24-day-sci-fi-history
Source: https://www.huffpost.com/entry/first-youtube-video-me-at-the-zoo_n_3139137
Source: https://www.earthday.org/