Here is the full list of all 29 Hanse - there are The Hanseatic League achievements.
Marry someone
Have a child
Have great-grandchildren while you are still alive
Reach 6 Captain's Points with one of your family members
Win a naval battle
Board three enemy transporters in one naval battle
Win a ship battle without using any extra cannons and shields
Win a ship battle without taking damage to your transporters
Sell the most needed good to a city and make a profit
Make a profit of more than 250 silver in one transaction
Own more than 35.000 silver
Own more than 350.000 silver
Sell a good and make a profit despite a sales tariff of at least 5%
Buy your first ship
Have a full convoy with all three ship classes
Establish your first automatic trade route between Europe and the New World
Become mayor in a city
Have the majority of mayor posts of all Hanse cities
Have the highest reputation among all three families in the Hanse Council
Become Elderman of the Hanse with your starting character
Declare war on another trade guild and win the next naval battle against them
Declare diplomatic relations towards another guild
Win mayor elections against candidates of all other five trade guilds
Infect the city of another trade guild with the plague
Reach the new world by ship in 1492
Introduce an american good in Europe by fulfilling enough city tasks
Deliver a European good to the New World and make a profit
Bring five different American cities to the Hanse by becoming mayor
Have five agents in Havanna, St.Croix, Cork, Lübeck and Novgorod at the same time