The Old Style date of the battle is June 27, 1709.
About new style and old style dates
The Battle of Poltava was part of the
Great Northern War
and a bad day for Sweden.
WHO FOUGHT THE BATTLE OF POLTAVA?
Peter I the Great of Russia
with 80,000 men fought against
Charles XII of Sweden
with 17,000 men.
WHO WON THE BATTLE OF POLTAVA?
Peter won a huge victory. In
fact, his success spelled the end of Sweden's glorious and powerful
days. Russia was now the new top dog in eastern Europe.