Today in Washington State History From Hawaiian Islanders conduct traditional funeral for drowned countryman near mouth of Columbia River on March 26, 1811. Native Americans attack Americans at the Cascades of the Columbia on March 26, 1856. Boise beginnings: Boise Post Office opens on March 26, 1890. Vashon Island beginnings: Cove Post Office opens on March 26, 1904. Raymond mill workers join regional strike on March 26, 1912. Seattle Metropolitans hockey team wins the Stanley Cup on March 26, 1917. Sheriff's Dry Squad finds home brew at Stensland residence in Redmond on March 26, 1926. Betty MacDonald's <i>Mrs. Piggle-Wiggle</i> is published on March 26, 1947. Senator Robert Kennedy campaigns in Seattle on March 26, 1968. Seattle Public Library's first fine-free day yields return of 9,000 overdue books on March 26, 1970. Microsoft stock splits for the eighth time on March 26, 1999. Kingdome stadium is imploded on March 26, 2000. Rat City Rollergirls stage their first official bout on March 26, 2005. Ann Hamilton receives $1 million commission, for creation of Seattle waterfront art installation, on March 26, 2014.