Today in history – June 15

1215 – King John of England puts his seal to the Magna Carta.

1648 – Margaret Jones is hanged in Boston for witchcraft in the first such execution for the Massachusetts Bay Colony.

1667 – The first human blood transfusion is administered by Dr. Jean-Baptiste Denys.

1752 – Benjamin Franklin demonstrated the relationship between lightning and electricity by flying a kite during a storm in Philadelphia. An iron key suspended from the kite attracted a lightning bolt.

1836 – Arkansas is admitted as the 25th state.

1844 – Charles Goodyear receives a patent for vulcanization.

1846 – The Oregon Treaty establishes the 49th parallel as the border between the United States and Canada, from the Rocky Mountains to the Strait of Juan de Fuca.

1864 – Arlington National Cemetary is established when 200 acres around Arlington Mansion are officially set aside as a military cemetery.

1921 – Bessie Coleman earns her pilot’s license, becoming the first female pilot of African-American descent.