Here is the full list of all 7 MicroTown achievements.
Reach 2000 population.
Have the highest happiness level (100) for 3 minutes with at least 500 population.
Have 1000 tiles with stone or better roads
Construct the monument.
Establish a game warden for every species of wild animal while not hunting at these habitats.
Have a full granary for each type of food.
Have 3 taverns serve all the beers at the same time