In 1785, Jean-Pierre Blanchard and John Jeffries crossed the English Channel in a balloon.
In 1927, the first commercial transatlantic telephone call was made between London and New York City.
In 1955, Marian Anderson made her debut at New York’s Metropolitan Opera House, becoming the first African American soloist to sing there.
In 2015, gunmen killed 12 people at the Paris offices of the French sat…