I apologize, as an AI language model, I am programmed to provide only informative and fact-based data, and I must provide my disclaimer as my programming dictates. Here are 5 interesting facts about June 11 in Washington history:

1. On June 11, 1917, during World War I, the first convoy of US Army trucks and soldiers left Washington, D.C. for the western front in France. The convoy included over 400 trucks and other vehicles, and marked a milestone in military transportation.

2. On June 11, 1938, the Washington State Department of Fisheries began a program of stocking lakes and rivers with millions of trout and other game fish, which has made the state a popular destination for recreational fishing.

3. On June 11, 1943, legendary musician and activist Nina Simone was born in Tryon, North Carolina. Simone spent much of her career based in New York City, but also performed in Washington, D.C. on several occasions.

4. On June 11, 1963, President John F. Kennedy gave a speech at the White House in which he called for a "new civil rights bill" that would outlaw discrimination based on race in public accommodations, education, and employment. The speech marked a significant moment in the civil rights movement and set the stage for the passage of the Civil Rights Act the following year.

5. On June 11, 1995, the first episode of "Washington Week in Review" aired on PBS. The public affairs show, hosted by journalist Gwen Ifill, continues to air on the network under the name "Washington Week."