09 April, 1860 – The world's first recording of the human voice is created

French inventor Édouard-Léon Martinville used his phonauto-graph, the earliest known sound recording device, to record himself singing a French folk song.

10 April, 1970 – The Beatles break up as Paul McCartney leaves the band

McCartney's announcement came a week before the release of his debut solo album, the starting point of a successful solo career.

11 April, 2006 – President Mahmoud Ahmadinejad announces that Iran has enriched uranium

The Iranian nuclear programme has become a source of great controversy since it came into existence. Several countries, accuse Tehran of developing an Iranian atom bomb.

12 April, 1937 – The first aircraft jet engine is successfully tested

Sir Frank Whittle invented and tested the engine, only a few months before German engineer Hans von Ohain ran his jet engine.

13 April, 1970 – An oxygen tank explodes on Apollo 13, leaving the spacecraft crippled

The emergency prompted Jack Swigert's famous quote “Houston, we've had a problem”. The crew managed to return to the Earth safely.

14 April, 1912 – Doomed passenger liner RMS Titanic hits an iceberg in the North Atlantic

The subsequent sinking of the world's largest ocean liner of the time, resulted in more than 1500 deaths. It was one of the worst maritime disasters recorded in the history ever.

15 April, 1935 – The Eastman Kodak Company launches Kodachrome

The photographic film was one of the most popular ones used around the world. The product was discontinued in 2009 because of the advent of digital photography.