4th April 1968 launch of the Saturn V

4th April 1968

The launch of the Saturn V began the mission called Apollo 6, this was the last test without a crew on the aircraft.The flight presented some problems during the first phase of 

take-off indeed the rocket underwent the phenomenon
of pogo oscillations for 30 seconds before stabilizing. These oscillations are caused by the not homogeneous combustion that occurs inside the engines. The Mission Apollo 6 proved that a carrier rocket like the Saturn V had all the characteristics to transport people on the moon.

3rd April 1929 - The Queen Mary

3rd April 1929

The RMS Queen Mary was a transatlantic which that sailed on the route Southampton-Cherbourg-New York from 1936 to 1967. 

Its construction was ordered in 1929 and the ship was launched five years later, in 1934. The Queen Mary was extremely fast for that period indeed in 1938 it reached a speed of 30,99 Knots winning the Blue Riband. 

In 1940 it came to Sydney and in order to make it useful for the war the transatlantic was converted in a troop transport ship, it was colored gray and called the Grey Ghost. 

After the Second World War, The Queen Mary returned to be a civilian ship and after its last trip itwas transformed in a floating museum, hotel and restaurant.