Oregon became a state on February 14, 1859, joining the Union as the 33rd state.

Quick Scoop: Oregon Statehood

Here’s the core fact you’re looking for:

  • Statehood date: February 14, 1859
  • State number: 33rd state of the United States
  • Signed into law by: President James Buchanan, after Congress passed the statehood bill in February 1859.

In modern commemorations, Oregon still marks February 14 each year as its official Statehood Day, with public events at the Capitol and around the state.

In other words, Oregon’s “birthday” is Valentine’s Day—February 14, 1859.

TL;DR: Oregon became a U.S. state on February 14, 1859 (the 33rd state in the Union).

Information gathered from public forums or data available on the internet and portrayed here.