1. In 1971, the Washington State Legislature declared February 15 as “International Women's Day,” honoring the contributions and achievements of women all over the world.

2. On February 15, 1961, the Seattle World's Fair Foundation announced that the iconic Space Needle would be built as a centerpiece for the fair.

3. On February 15, 2003, Seattle saw one of its largest protests in history, as an estimated 30,000 people marched against the Iraq War.

4. In 1901, legendary blues musician and singer Huddie William Ledbetter, also known as “Lead Belly,” was born in Mooringsport, Louisiana. He would go on to perform in Washington, including a stint at the Library of Congress in 1936.

5. On February 15, 1848, the Treaty of Guadalupe Hidalgo was signed, ending the Mexican-American War and ceding territories that would eventually become parts of Arizona, California, Colorado, Nevada, New Mexico, Utah, and Wyoming.