World War I
First Successful Single-Rotor Helicopter Flight
On May 24, 1940, Igor Sikorsky successfully flew the first single-rotor helicopter.
Sinking of the Lusitania
On May 7, 1915, a German U-boat torpedoed and sunk the Lusitania.
Movie Stars Hit Streets to Sell War Bonds
On April 8, 1918, Charlie Chaplin and Douglas Fairbanks held a war bond drive on Wall Street to bolster support for the war effort.
Samuel Morse Dies
On April 2, 1872, telegraph inventor Samuel Morse died. President Woodrow Wilson address Congress on April 2, 1917, asking to declare war and join World War I.
Death of President Eisenhower
Born October 14, 1890, in Denison, Texas, Dwight David Eisenhower was the third of seven sons. He was named David Dwight originally, but his mother later reversed the order of his first and middle names to avoid confusion with his father.