The Gin Act was "designed to reduce consumption of raw spirits, regarded by contemporaries as one of the main causes of crime in London" (Encyclopedia Britannica, https://www.britannica.com/place/United-Kingdom/Walpoles-loss-of-power#r...).
William Shenstone's work Unconnected Thoughts on Gardening is published. Shenstone is one of the first "practictioners of landscape gardening," at his home at The Leasowes estate (Wikipedia).
Samuel Johnson begins publishing The Rambler. It was "published on Tuesdays and Saturdays from 1750 to 1752 and totals 208 articles. It was Johnson's most consistent and sustained work in the English language," and was written in "elevated prose" (Wikipedia; see also Jack Lynch, http://andromeda.rutgers.edu/~jlynch/Johnson/Guide/who.html).
The Bluestocking Group is started by Elizabeth Vesey in Bath and was perpetuated by the rival Elizabeth Montagu in London (Encyclopedia Britannica; https://www.britannica.com/topic/Bluestocking-British-literary-society).
Earthquake occurred in London on 8 February, 1750. Several earthquakes occurred in England in that period--known as the "Year of the Earthquakes," along with other unique weather phenomena, including a arch made of light that appeared the evening of 16 January (The Gallery of Natural Phenomena; http://www.phenomena.org.uk/earthquakes/page42/page42.html).
First edition of Woodhouse's work to print the entirety of The Life and Lucubrations of Crispinus Scriblerus