Every YouTube Subscriber Milestone First Hit (from 5K to 100M)

Every RUclips Subscriber Milestone First Hit (from 5K to 100M).
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Sources:
1: www.youtube.com/
2: youtube.fandom...
3: en.wikipedia.o...
4: socialblade.com/
5: web.archive.org/
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Music:
Festival by Topher Mohr and Alex Elena from RUclips Audio Library goo.gl/YmnOAx