Oregon became a state on the 14th of February in the year of 1859.
This made Oregon the 33rd state.
February 14, 1859
oregon country
1859
Oregon Countrythe Oregon Countrythe Oregon Country
Great Britain
Great Britain
Britain
oregon country
Russia claimed it.
It was an agreement between Great Britain and the US that detailed the boundary between Oregon Country and Canada.
Russia claimed it.
Robert Gray
Great Britain