| old Prussian times | the existence of an Old Prussian town in the vicinity of today's Kadyny. |
| 1255 r. | the first source mentioning Kadyny is the location act for the hospital of the Holy Spirit in Elblag. |
| 1280 r. | the creation of the monastic court of the Teutonic Order and the location of the offices of the executioner, the forestry office and the headquarters of the bailiffs. |
| 1320-1331 r. | the seat of the Comtur of Elbląg, Hermann von Oppen. |
| 1349-1372 r. | the seat of the Comtur of Elbląg, Ortolf von Trier. |
| 1410 r. | approximate date of the establishment of the forestry office. |
| 1415 r. | the first mention of the Forestry Master, Frederick Viczthum. |
| 1431 r. | Kadyny becomes a knightly estate, and Jan Bażyński becomes its owner. |
| 1480 r. | Kadyny is owned by Jan's brother, Ścibor Bażyński, and then successively Jan, Jerzy and Mikołaj Bażyński. |
| 1506-1521 r. | Kadyny is taken over by the Cathedral Chapter of Frombork |
| 1521-1525 r. | the seizure of the possessions of Kadyny by the Teutonic knights and the introduction of the administration of Kasper von Schwalberg. |
| 1525 r. | the owner of the estate is again the Cathedral Chapter of Frombork. |
| 1534 r. | the owner of the estate is Jerzy Bażyński and the tenant is Kaspar Dambitz. |
| 1559 r. | it is owned by Jerzy Bażyński |
| 1605-1608 r. | the estate is taken over by the City Council of Elblag. |
| 1608-1612 r. | it is owned by Ludwik Bażyński, the last of the family. |
| 1627 r. | the pawning of Kadyny by Anna nee Białobocka, wife of the last owner Ludwik Bażyński, and then the acquisition of the estate by Jan Truchsess von Weltzhusen. |
| 1635 r. | the estate is inherited by Jan's son, Sigismund Martin, and then by Jan's sister, Elisabeth and her husband Albrecht von Schlieben. |
| 1682 r. | the estate is inherited by Albrecht's son, Johann Theodor Dietrich von Schlieben. |
| 1697 r. | the owner is Johann Theodor's son, Ernst Sigmund von Schlieben. |
| 1701 r. | sale of the estate to Stanisław Działyński. |
| 1710-1712 r. | occupation of Kadyny by Russian troops. |
| 1723 r. | the von Schlieben family returns to Kadyny; it is owned by Ernst's younger brother, Johann Wilhelm. |
| 1737 r. | bankruptcy of the owner of the estate and the transfer of the goods to the creditor-Maria Kazimiera Eleonora von Ottau. |
| 1746 r. | Maria Kazimiera Eleonora's niece Eleonora von Ottau, Dąbski's wife, takes over the estate. |
| 1782-1787 r. | disputes over the rights to the Kadyny estate. |
| 1787 r. | the purchase of Kadyny by General Wilhelm Friedrich Karl von Schwerin. |
| 1799 r. | as a result of the debt of the owner, the acquisition of the estate by the Frombork Canon Ignacy Stanislaw Mattha, and then by his relative Ignacy Antoni von Mattha. |
| 1804 r. | Gotthilf Christoph von Struensee becomes the owner |
| 1806-1814 r. | Franco-Prussian war; Kadyny is managed by Struensee's son-in-law, Leopold von Dewitz. |
| 1810 r. | liquidation of the Franciscan monastery. |
| 1814 r. | Kadyny is sold to Daniel Birkner. |
| 1827 r. | the acquisition of Edward Birkner's estate by Daniel's son. |
| 1868 r. | the owners are Edward's sons, Jan Erik and Artur. |
| 1896 r. | the transfer of the estate by Arthur Birkner to the Kaiser Wilhelm II. |
| 1899 r. | modernisation of the old brickworks and its transformation into a majolica factory. |
| 1917-1920 r. | construction of the church and its consecration. |
| 1941-1945 r. | the grandson of Emperor Wilhelm II, Luis Ferdinand with his family stay in Kadyny. The defeat of Germany and the escape of the prince's family. |