Happy birth day in advance for ethereum. Don't buy other shit coin just because of Ethereum was !!! Every coin is not like ethereum.
We all know that investors should have no emotions. So birthdays anniversaries should not be considered something that can cause the price to spike or increased. I quickly browsed the price in coinmarketcap and Ethereum is still struggling to get past $300, so yeah you can say that this news is unless.
But it good to hear Ethereum survived 3 years, they really gain a lot being the number 1 platform of choice of ICO projects. Here's a historical snapshot for everyone to see:
https://coinmarketcap.com/currencies/ethereum/#charts