Historical Dates and Firsts

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).

The first modern news agency, Agence Havas (now Agence France-Presse), was founded by Charles-Louis Havas in Paris in 1835.

The first floppy disk, developed by IBM, was introduced in 1971, which falls within the early 1970s timeframe.

The ENIAC, generally considered the first general-purpose electronic computer, was completed in 1946.

The first public demonstration of electronic television occurred in the 1920s, but commercial broadcasting and widespread adoption began in the 1930s. 1936 is often cited for the first regular high-definition television service in London.