Also wanted to confirm if my assumptions are correct about the whole thing:
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1That's not really correct. All of those BIPs were involved. BIP 9 described the concept of using version bits to signal for activation. The segwit consensus rule BIP141 used BIP9 for activation. BIP148 proposed activating BIP141 without waiting for its BIP9 signalling, after a certain date. Before that could happen, BIP91 proposed a new rule (with reduced signalling requirements) that once activated, would force miners to signal for BIP141's BIP9 activation. That also happened: BIP91 got signalled for, which activated, and miners then followed up by signalling for BIP141, which activated. – Pieter Wuille Nov 24 '20 at 18:24
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Thanks @PieterWuille for the details – Prayank Nov 25 '20 at 0:22
Okay found one website and got relevant images in web archive: https://web.archive.org/web/20170722094209/https://www.xbt.eu/