Drawing by Alexander Graham Bell and Charles Sumner Tainter, April 1880

Today in History: Bell’s Photophone

Today in History–June 3–the Library of Congress features the invention of the photophone on this date in 1880 by Alexander Graham Bell. Although more famously known for the telephone, the photophone transmitted sound on a beam of light. This technology with the precursor to fiber optics which today transmits voice and data communications at the speed of light….

Plan of the Battle of Cold Harbor, June 3rd

Today in History: Battle of Cold Harbor

Today in History–June 3–the Library of Congress features the second Battle of Cold Harbor, begun on this day in 1864. The bloody battle ensued when Union General Ulysses S. Grant encountered Confederate troops in Virginia as he made his way to Richmond. Approximately 7,000 Union troops perished and Confederate forces suffered around 1,500 casualties in the nine-day fight….