Historical Dates and Firsts

The Z1, created by Konrad Zuse between 1935 and 1937, is widely regarded as the first programmable, modern computer.

Harry Potter and the Sorcerer's Stone (originally titled Philosopher's Stone) was first published in the UK on June 26, 1997.

Nylon was first synthesized by Wallace Carothers at DuPont in 1935, but the patent process and initial development occurred around 1931.

Wallace Carothers and his team at DuPont successfully synthesized nylon in 1935, but the patent application and initial development work were finalized in 1931.

The major climactic eruption of Mt. Pinatubo occurred on June 15, 1991, which is widely recognized as one of the largest eruptions of the 20th century.

John Dalton was born on September 6, 1766, in Eaglesfield, Cumberland, England. Historical records confirm this date.

The importance of environmental scanning was first recognized in 1970s by life insurance firms

In 18th-century England, night watchmen were often derisively nicknamed 'Charleys' or 'Old Charleys'.

The first organized women's suffrage societies in Britain began to emerge in the 1850s, such as the Sheffield Female Political Association.

The Second Reform Act of 1867 significantly expanded the franchise to include many urban working-class men, though universal male suffrage (all men over 21) was not fully achieved until later acts (1918). However, in the context of typical exam questions on this topic, 1867 is often cited as the major expansion point.

Constance Markievicz was elected in 1918, but the first woman to actually take her seat in the House of Commons was Nancy Astor in 1919.

Royal assent to the Metropolitan Police Act 1829 was given and the Metropolitan Police Service was established on September 29, 1829 in London as the first modern and professional police force in the world. Hence, Option A is correct. In 1839, the world's first commercial electric telegraph line came into operation. 1849 marks the advent of Pre-Raphaelite brotherhood in art, in 1859, a solar flare is observed for the first time, hence, these options are incorrect.

The Bow Street Runners, often considered the first professional police force in London, were established by Henry Fielding in 1750.

The Metropolitan Police Act was passed in 1829, leading to the creation of the Metropolitan Police Force for London that same year.