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Space Shuttle Discovery is launched

The mission's goals were deployment of three communications satellites into orbit and repair of one broken satellite in space. The astronauts conducted two spacewalks. The launch was originally scheduled for August 24 but it has to be postponed twice. First time it was because of the weather, second time because of computer failure.

Viking 2 spacecraft lands at Utopia Planitia on Mars

The craft was launched in September 1975. The following launch using a Titan/Centaur launch vehicle and a 333-day cruise to Mars, the Viking 2 Orbiter began returning global images of Mars prior to orbit insertion. The Viking Orbiters caused a revolution in our ideas about water on Mars. Huge river valleys were found in many areas.

British motorist Malcolm Campbell sets his final land speed record

In a specially constructed vehicle named Bluebird, powered by aircraft engine, Campbell achieved speed of 484.955 kilometres per hour. This equals 301.337 miles per hour in old imperial units. Thus, Campbell became first man to break 300 miles per hour limit. Campbell later shifted from land to water speed records.

Automotive engineer and founder of the Porsche car company Ferdinand Porsche is born

He founded the Porsche car company. His famous designs include the first gasoline-electric hybrid vehicle (Lohner-Porsche), the Volkswagen Beetle, the Mercedes-Benz SS/SSK, several other important developments. In addition, Porsche designed the 1923 Benz Tropfenwagen, which was the first racing car with a mid-engine, rear-wheel drive layout.

British engineer Matthew Boulton is born

Boulton is best known as the business partner of Scottish engineer James Watt. They built hundreds of steam engines together. Boulton & Watt engines made mechanisation of factories and mills possible. Matthew Boulton also applied modern techniques to the minting of coins, striking millions of pieces for Britain and other countries.

Anniversaries of the (in)famous