There are people born after 9/11 that can now legally drink. By Christmas, there will be people born after The Return of King was released that can drink.
This gets funny when you apply it to countries outside of the US. There are people born at the start of the Covid pandemic that can legally drink alcohol* in the UK.
Lol, more to do with the EU/Syrian refugee migration crisis going on around the time. Anti-EU sentiment was very high at the time, all across the union, the UK was just the only country to put it to a vote.