- June 1, 2008 – National Trails Day
- June 15, 1916 – U.S. President Woodrow Wilson signs a bill incorporating the Boy Scouts of America, making them the only American youth organization with a federal charter.
- June 25, 1977 – Olave Baden-Powell, wife of Robert Baden-Powell, former Chief World guide, one of the only two recipients of the gold silver fish, died at Birtley House, Bramley in Surrey, UK. Her ashes were taken to Kenya to be buried with her husband.
- June 30, 1937 – First National Jamboree, held at Washington, DC. Ran from June 30-July 9. Was to have been in 1935, but was canceled due to a polio epidemic.
- June 1923 – First recorded use of the word "woggle" (early Scouts tied a knot in their neckerchief) in the June issue of the Scout magazine. The word ring was used in early editions of the Scouting handbook Scouting for Boys until 1929 when Baden-Powell changed it in the 14th edition: "It [the scarf] may be fastened at the throat by a knot or woggle, which is some form of ring made of cord, metal or bone, or anything you like."