Today is Tuesday, June 15, the 166th day of 2021. There are 199 days left in the year.

Today’s Highlight in History: On June 15, 1215, England’s King John put his seal to Magna Carta (“the Great Charter”) at Runnymede.

On this date: In 1775, the Second Continental Congress voted unanimously to appoint George Washington head of the Continental Army.

In 1864, Secretary of War Edwin M. Stanton signed an order establishing a military burial ground which became Arlington National Cemetery in Virginia.

In 1902, the 20th Century Limited, an express passenger train between New York and Chicago, began service. (The Limited made its last run in December 1967.)

In 1904, more than 1,000 people died when fire erupted aboard the steamboat General Slocum in New York’s East River.

In 1934, President Franklin D. Roosevelt signed an act making the National Guard part of the U.S. Army in the event of war or national emergency. In 1944, American forces began their successful invasion of Saipan during World War II. B-29 Superfortresses carried out their first raids on Japan.