You go into great detail with your dates and focus more on the positives than the negatives. The most important date of all was missed, so I can tell you're more of a programmer than a financial analyst 😸 CBOE futures launch date, December 10th and 17th, 2017. Since BTC futures were launched it's not so much about my coin is bigger than your coin, except on Reddit.
ETFs, Futures, Wallstreet and the big money has taken over. What's a few billion dollars to a FANG stock, they could pump obscure altcoins to the top ten for less than a days revenue.
Also look at major news releases like hacks and large public scandals.
On the positive side, I like to focus on publicity stunts, partnerships and exchange listings. These pump altcoins more than the announcement of some feature 99 percent of people don't understand or care to understand.