1. On March 13, 1851, the first territorial governor of Washington, Isaac Stevens, arrived in Olympia. Stevens was appointed to the position by President Millard Fillmore and was responsible for organizing the new territory and negotiating treaties with Native American tribes.

2. The Washington State Capitol Building in Olympia was dedicated on March 13, 1928. The building was designed by architect Joseph Wohleb and features a distinctive dome and neoclassical architecture.

3. March 13, 1989, marks the day Washington State passed its landmark Growth Management Act. The act aims to manage the state's growth by coordinating transportation, land use, and environmental policies. It provides a framework for local governments to work together to create comprehensive plans for their communities.

4. In 2000, the 7.2 magnitude Nisqually earthquake struck the Puget Sound region of Washington on March 13. The quake caused significant damage to buildings and infrastructure and was felt as far away as Portland, Oregon. Fortunately, no fatalities were reported.

5. On March 13, 2019, Washington Governor Jay Inslee signed a bill banning the death penalty in the state. The ban made Washington the 20th state to abolish capital punishment, reflecting a growing trend across the country to move away from the death penalty.