Osborne 1 was First Portable Personal Business Computer

Osborne Computer Corporation, founded by British Entrepreneur Adam Osborne developed the Osborne 1, Continue reading

Transmission Electron Microscope

Ernst August Friedrich Ruska, German physicist and electrical engineer developed a transmission electron microscope Continue reading

Kansas Elects First Female Mayor

Susanna Madora Salter was elected the first female mayor of Argonia, KS, USA on April 4, 1887. Continue reading

Chinese Commercial Ship Sails to Taiwan

A Chinese commercial ship sailed from China to the southern port Kaohsiung, Taiwan on April 19, 1997. Continue reading

Robin Knox-Johnston’s Solo Non-Stop Voyage Around the World

The British yachtsman, Robin Knox-Johnston started his solo voyage on April 22, 1969. Continue reading

First Woman – Human cannonball in a circus act

Her stage name was Zazel, was the first woman human cannonball. Starting on April 2nd 1877, and for the next two years, she appeared at the West’s Amphitheatre, London, England. Continue reading

Continental nuclear-free zone

Established on April 11, 1996, following the signing of the Treaty of Pelindaba by the 49 of the 53 members of the Organization of African Unity, African became a Nuclear Weapons Free Zone. Continue reading

Isambard Kingdom Brunel

Isambard Kingdom Brunel FRS (/ˈɪzəmˌbɑːd bruːˈnɛl/; 9 April 1806 – 15 September 1859), was an English mechanical and civil engineer who is considered "one of the most ingenious and prolific figures in engineering history", "one of the 19th century engineering giants", and "one of the greatest figures of the Industrial Revolution, [who] changed the face of the English landscape with his groundbreaking designs and ingenious constructions". Continue reading

Transatlantic steamboat service

the SS Great Western and the Sirius, began the transatlantic steamboat service, both of which arrived in New York, NY, USA on April 23, 1838. Continue reading

Jet Airmail service available in Canada

The first jet airmail flight from Canada to the USA was on April 18th, 1950, by a jet aircraft made by Avro Canada. Continue reading