Historical Dates and Firsts

Milk Tray was first introduced in 1915 by Cadbury as a luxury boxed chocolate assortment. The name referred to the original packaging where chocolates were delivered in a tray. 1915 is the correct year of launch, not the later dates listed.

The Hubble Space Telescope was launched on April 24, 1990, aboard Space Shuttle Discovery during mission STS-31. It was deployed into low Earth orbit the following day. Despite initial problems with its primary mirror, servicing missions have made it one of the most productive scientific instruments ever built.

The International Space Station began construction in 1998 when Russia launched the first module, Zarya, on November 20. The station has been continuously inhabited since November 2000, making it one of humanity's greatest achievements in space cooperation.

The first iPhone was released on June 29, 2007. Apple announced it in January 2007 and it became available for sale later that year, making 2007 the correct year.

The Salar Jung Museum in Hyderabad was established in 1951. It houses the collection of Salar Jung III, the former Prime Minister of Hyderabad state. The museum contains one of the largest private collections of art and artifacts in the world.

Albert Einstein was born on March 14, 1879, in Ulm, Germany. This date is well-documented in biographical records. March 14 is now celebrated as Pi Day, partly in honor of Einstein's birth.

Newton was born in 1642 (December 25 by the old style calendar). The other years are significant but incorrect: 1727 was his death year, while 1712 and 1677 are not associated with Newton's birth or major life events.

The 'Year Without a Summer' was 1816, caused by the massive 1815 eruption of Mount Tambora in Indonesia. The volcanic ash in the atmosphere reduced sunlight and caused global cooling, resulting in crop failures and summer frosts in England and elsewhere.

The National Anthem 'Jana Gana Mana' was first sung on December 27, 1911 at the Calcutta Session of the Indian National Congress. It was composed by Rabindranath Tagore and later adopted as India's official National Anthem in 1950.

The first product to be scanned with a Universal Product Code (UPC) barcode was a 10-pack of Wrigley's chewing gum at a Marsh supermarket in Ohio in 1974. This historic moment marked the beginning of barcode scanning technology in retail.

Citibank was founded in 1812 as the City Bank of New York. This makes option B (1812) the correct answer. The bank was established to serve New York City merchants.

The electric telegraph was developed and patented in the 1830s-1840s, with Samuel Morse's famous 1844 demonstration from Washington to Baltimore being the pivotal moment. The 1810s were too early, and the 1870s-1890s were too late.

Blue jeans were invented and patented by Levi Strauss and Jacob Davis in the 1870s, specifically receiving their patent in May 1873.