On This Day: June 27th

The inaugural run of the Baltimore and Ohio Railroad's Royal Blue from Washington, D.C., to New York City, the first U.S. passenger train to use electric locomotives.

American Civil War: Confederate forces defeat Union forces during the Battle of Kennesaw Mountain during the Atlanta campaign.

Joseph Smith, founder of the Latter Day Saint movement, and his brother Hyrum Smith, are killed by a mob at the Carthage, Illinois jail.

British forces take Buenos Aires during the first of the British invasions of the River Plate.

Anglo-Cherokee War: Cherokee warriors defeat British forces at the Battle of Echoee near present-day Otto, North Carolina.

In the Battle of Dettingen, George II becomes the last reigning British monarch to participate in a battle.

The thirteen Stratford Martyrs are burned at the stake near London for their Protestant beliefs.

Amerigo Vespucci sights what is now Amapá State in Brazil.

Pope Agatho is consecrated following the death of pope Donus two month prior.

Jovian is proclaimed Roman emperor following the death of emperor Julian in the previous night.