Historical Dates and Firsts

The first public demonstration of television was by John Logie Baird in 1926, where he demonstrated moving images. Baird demonstrated his mechanical television system in January 1926. The other years are later milestones in TV history (1936 was BBC launch, etc.).

The first traffic lights were introduced in London in 1868, installed outside the Houses of Parliament. They were gas-lit and operated manually. This predated the first electric traffic lights in the United States (1914). The year 1868 is correct.

The first patented lifeboat was patented by Lionel Lukin in 1845 in England. He designed a self-righting boat that could rescue people from shipwrecks.

Christopher Columbus made his first transatlantic voyage and reached the Caribbean islands in October 1492, believing he had found a new route to Asia. This marked the beginning of sustained European contact with the Americas. The year 1492 is well-documented and commemorated in the familiar mnemonic "In fourteen hundred ninety-two, Columbus sailed the ocean blue."

Symbian Software Ltd. was formed on June 24, 1998 as a joint venture between Psion (which had the EPOC OS) and mobile phone manufacturers Nokia, Ericsson, and Motorola.

The Symbian Foundation Ltd was registered on August 28, 2008. This was shortly after Nokia announced its intention to acquire Symbian and make it open source. The other dates (Dec 19, May 13, Mar 9) are not the registration date.

The official launch of the Symbian Foundation and the first Board of Directors meeting was held on February 5, 2009. This event marked the formal beginning of the foundation's operations after its registration in 2008. The other dates are not the official launch date.

The Symbian source code was first made available on April 3, 2009. This was a significant milestone in the foundation's open source initiative, allowing developers to access the mobile operating system code. The other dates are incorrect.

The entire Symbian^3 platform was made available under open source licenses on February 4, 2010. This completed the foundation's goal of fully open-sourcing the Symbian platform. The other dates are incorrect for this milestone.

Symbian^2 was completed in May 2009. This is a factual question about the timeline of the Symbian mobile operating system's development. The question tests knowledge of mobile OS history and specific release dates.

The RMS Titanic sank on April 14, 1912 (shortly before midnight), with the ship going completely under in the early hours of April 15. The British passenger liner struck an iceberg during its maiden voyage from Southampton to New York City. The other dates listed are incorrect - the disaster did not occur in 1940 or 1942.

The RMS Titanic was ordered on July 31, 1908. This was when the construction contract was signed with Harland and Wolff shipyard in Belfast. The construction began shortly after this order was placed.

The RMS Titanic was launched on May 31, 1911. This was when the hull was completed and the ship was moved out of the drydock into the water. The fitting out process continued after the launch.