4th » The CND peace symbol is displayed in public for the first time in London.
5th » Ripple Rock, an underwater threat to navigation in the Seymour Narrows in Canada is destroyed in one of the largest non-nuclear controlled explosions of the time.
13th » Cold War: American Van Cliburn wins the inaugural International Tchaikovsky Competition in Moscow.
14th » The Soviet Union known as Soviet satellite Sputnik 2 falls from orbit after a mission duration of 162 days.
18th » A United States federal court rules that poet Ezra Pound be released from an insane asylum.
Famous Birthdays on April in 1958
1st » D. Boon, American singer-songwriter and guitarist (Minutemen (band) known as Minutemen and The Reactionaries (band) e.g The Reactionaries) (d. 1985)