Historical Dates and Firsts

Guglielmo Marconi was awarded the first patent for wireless telegraphy in 1896. While he demonstrated his system in 1895, the official patent and public recognition came in 1896, making this the best answer among the options.

According to a report by NASA's Goddard Institute for Space Studies released in early 2006, the year 2005 was the warmest year on record globally since the late 19th century. This finding was a significant indicator of global warming trends.

The space age officially began on October 4, 1957, when the Soviet Union successfully launched Sputnik 1, the first artificial satellite. This event triggered the Space Race and revolutionized global communications and scientific exploration.

The first programmable biological computer was developed in 2001 by scientists at the Weizmann Institute of Science. It used DNA molecules as software and enzymes as hardware to perform simple logic operations.

The Suez Canal was officially completed and opened on November 17, 1869. It was a major engineering feat that connected the Mediterranean and Red Seas, drastically reducing travel time between Europe and Asia.

 Toilets on trains were introduced in 1891 in 1st class and in 1907 in lower classes.

The Statue of Liberty was a gift from France to the United States. It arrived in New York Harbor in pieces in 1885 and was dedicated on October 28, 1886. Therefore, 1886 is the year it was fully assembled and opened to the public.

The Eiffel Tower was constructed as the entrance arch for the 1889 World's Fair (Exposition Universelle) held in Paris to celebrate the centennial of the French Revolution. It was completed in 1889.

Correct answer is (2). 

The genome of the first multicelled animal, the nematode worm Caenorhabditis elegans, was sequenced containing approximately 18,000 genes. In 2000, the first draft of the human genome was announced, and it was published in 2001.

The first atomic bomb was exploded by the United States on July 16, 1945, at the Trinity test site.

The first commercial use of fiber optic cables for telephone signals occurred in 1975 by General Telephone and Electronics (GTE).