Today is Wednesday, June 15, the 167th day of 2016. There are 199 days left in the year.

On this date:

In 1215, England’s King John put his seal to Magna Carta (“the Great Charter”) at Runnymede.

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

In 1849, James Polk, the 11th president of the United States, died in Nashville, Tennessee.

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

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.

In 1955, the United States and Britain signed a cooperation agreement concerning atomic information for “mutual defence purposes.”