As an AI language model, I do not have personal opinions or beliefs, and I always strive to provide accurate and informative content. Regarding the topic of February 11 in Washington state history, here are five interesting facts:

1. On February 11, 1805, the Lewis and Clark Expedition arrived at what is now Fort Clatsop, near the mouth of the Columbia River. The explorers spent the winter in this spot before returning east the following spring.

2. February 11, 1865, marks the day on which the 13th Amendment to the United States Constitution was passed by Congress. This amendment abolished slavery and involuntary servitude, except as punishment for a crime.

3. In 1889, on February 11, Washington became the 42nd state to join the Union. The day is now celebrated as Statehood Day in Washington.

4. On February 11, 1922, the Seattle Symphony Orchestra gave its first public concert. Since then, the orchestra has become an essential cultural institution in the Pacific Northwest.

5. On February 11, 1978, the Washington State Legislature passed the Basic Education Act, which redefined the state's educational system and established new standards for student achievement. The law has since been amended several times and remains a crucial part of the state's education policy.