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