|Covid-19|Monarch – Gustav I
10 January - Breeding farms for cattle and horses are introduced by decree of the monarch.
25 January - A Russian attack on Viborg is repelled.
21 March - Armistice between Sweden and Russia i Käräjäkallio.
29 June - Prince John establish himself as the ruler of his Duchy of Finland.
1556 in Sweden Wikipedia
Events from the year 1556 in Sweden