Directory

1742 CE

A year defined by Anders Celsius proposing his temperature scale, the premiere of Handel's Messiah in Dublin, and continued warfare across Europe in the War of the Austrian Succession.

Geopolitics & Diplomacy

  • Charles Albert of Bavaria was elected Holy Roman Emperor as Charles VII in January, the first non-Habsburg emperor in over three centuries.
  • Maria Theresa refused to recognize Charles VII and continued to fight for the Habsburg claim to the imperial title.
  • Frederick the Great of Prussia signed a secret truce with Austria in June, temporarily withdrawing from the war after securing Silesia.
  • Robert Walpole resigned as British Prime Minister in February after over two decades in power, replaced by the Earl of Wilmington.
  • The Treaty of Berlin in July ended the First Silesian War, with Austria ceding most of Silesia to Prussia.
  • France deepened its military commitment against Austria, sending larger armies into the German states and Bohemia.
  • Spain continued to press its claims in Italy, seeking territory for the Spanish Bourbon princes.
  • Russia under Empress Elizabeth shifted its foreign policy, moving toward closer relations with Austria and Britain.
  • The Kingdom of Sardinia entered negotiations with Austria, positioning itself to join the anti-French coalition.
  • Sweden continued its war against Russia, though the campaign in Finland went poorly for the Swedes.

Conflict & Security

  • Austrian forces recaptured Prague in December after a long siege, forcing the French garrison to retreat from Bohemia.
  • The Battle of Chotusitz in May was a Prussian victory that helped secure the Treaty of Berlin ending the First Silesian War.
  • Austrian forces under Prince Charles of Lorraine launched counteroffensives against Franco-Bavarian forces in southern Germany.
  • French Marshal Belle-Isle conducted a difficult winter retreat from Prague, suffering heavy casualties from cold and Austrian attacks.
  • The Russo-Swedish War continued in Finland, with Russian forces gaining ground against Swedish defenders.
  • British naval forces continued operations against Spanish shipping in the Caribbean and Mediterranean.
  • Nadir Shah of Persia campaigned against Dagestan in the Caucasus, facing fierce resistance from local peoples.
  • Maratha forces in India raided Bengal, exacting tribute and expanding their sphere of influence.
  • Corsican resistance fighters continued their struggle against Genoese rule on the island.
  • Colonial conflicts between British and French settlers intensified in the Ohio Valley of North America.

Economy & Finance

  • The cost of the War of the Austrian Succession strained European treasuries, with France, Austria, and Britain increasing borrowing.
  • The fall of Walpole in Britain brought changes in fiscal policy, though the national debt continued to grow.
  • Amsterdam banks financed multiple sides of the European conflict, profiting from wartime lending.
  • The British East India Company expanded its presence in Madras and Calcutta, increasing trade volumes.
  • Sugar production in the French and British Caribbean continued to grow, driven by enslaved labor.
  • Silesian linen and textile industries came under Prussian control following the Treaty of Berlin.
  • Portuguese colonial trade benefited from Brazilian gold and diamond mining, enriching Lisbon merchants.
  • The Swedish iron industry maintained its importance in European markets despite the ongoing war with Russia.
  • Grain prices in Europe stabilized somewhat as harvests improved from the disastrous years of 1740 and 1741.
  • Mercantilist trade policies dominated European economic thinking, with nations seeking favorable trade balances.

Technology & Infrastructure

  • Anders Celsius proposed his centigrade temperature scale, originally with 100 degrees as the freezing point and 0 as boiling.
  • Fortification construction intensified across the Austrian Netherlands and the Rhine frontier as war continued.
  • The Newcomen engine saw continued deployment in British coal mines, with over a hundred engines in operation.
  • Road construction in the Austrian Empire improved military logistics and communication between provinces.
  • Shipbuilding programs expanded in Britain, France, and Spain as naval power remained central to colonial competition.
  • Advances in map engraving techniques allowed for more detailed and accurate cartographic publications.
  • Water management systems in the Netherlands continued to be maintained and expanded through windmill-powered pumps.
  • Iron production in Sweden utilized advanced charcoal smelting methods that produced high-quality bar iron.
  • The construction of country estates and manor houses continued across England in the Palladian style.
  • Textile dyeing techniques improved with better understanding of mordants and natural dye sources.

Science & Discovery

  • Anders Celsius published his paper describing the centigrade thermometer, establishing a standardized temperature measurement system.
  • Colin Maclaurin published his Treatise of Fluxions, a systematic exposition of Newtonian calculus.
  • Christian Goldbach wrote to Leonhard Euler proposing what became known as Goldbach's conjecture in number theory.
  • The French Academy of Sciences continued to sponsor expeditions to measure the shape of the Earth.
  • Benjamin Robins published New Principles of Gunnery, applying Newtonian physics to ballistics.
  • Swedish mining scientists advanced the study of mineralogy and metallurgy at Uppsala and other institutions.
  • Astronomical observations at the Royal Observatory in Greenwich contributed to improving navigation tables.
  • Abraham Trembley continued his experiments on hydra regeneration, corresponding with leading naturalists.
  • Jean-Antoine Nollet conducted experiments on the properties of electricity in Paris.
  • Natural history collections expanded at European universities and royal cabinets of curiosities.

Health & Medicine

  • Smallpox continued to be a major killer across Europe, with periodic epidemics devastating urban populations.
  • Military hospitals were established near battlefields in Central Europe to treat the wounded from the ongoing war.
  • The Edinburgh medical school attracted students from across Britain and the American colonies, advancing clinical education.
  • Apothecary regulations were strengthened in several European cities to ensure the quality of medicines.
  • Ergotism outbreaks occurred in parts of France and Germany, caused by contaminated grain supplies.
  • The practice of inoculation against smallpox gained cautious acceptance among some European physicians.
  • Tropical diseases including malaria continued to devastate European troops stationed in colonial territories.
  • Dental care remained primitive, with tooth extraction performed by barber-surgeons and itinerant practitioners.
  • Epidemic dysentery spread through crowded military encampments during the Austrian Succession campaigns.
  • The study of anatomy advanced through dissection at medical schools in Leiden, Edinburgh, and Padua.

Climate & Environment

  • Atmospheric carbon dioxide concentration was approximately 277 parts per million, as later confirmed by ice core analysis.
  • The Little Ice Age continued to influence European weather, with cool summers and harsh winters affecting agriculture.
  • Timber shortages became a concern in parts of Britain and France as centuries of deforestation took their toll.
  • Land reclamation projects in the Netherlands continued to expand the area of arable farmland.
  • European colonial expansion brought new plant species to botanical gardens and estates across the continent.
  • River management and flood control efforts continued along the Rhine, Danube, and other major waterways.
  • The hunting of large predators continued in western Europe, with wolf populations declining in Britain and France.
  • Mining operations in Saxony and the Harz Mountains created localized environmental degradation.
  • Agricultural practices in England saw early experimentation with crop rotation and selective livestock breeding.
  • The exploration of Siberia by Russian expeditions revealed vast forests and mineral resources.

Culture & Society

  • Handel's Messiah received its premiere performance in Dublin on April 13, performed as a charity benefit concert.
  • Henry Fielding published Joseph Andrews, a comic novel that satirized contemporary English society.
  • The rococo style flourished in French decorative arts, architecture, and painting under royal patronage.
  • Edward Young published the early parts of The Complaint, or Night-Thoughts on Life, Death, and Immortality, a meditative poem that became widely influential across Europe.
  • The University of Erlangen was founded in Bavaria, adding to the growing network of German universities.
  • Carnival celebrations in Venice attracted visitors from across Europe, showcasing Italian cultural traditions.
  • The growth of literacy in northwestern Europe expanded the market for books, pamphlets, and periodicals.
  • Chinese export porcelain continued to influence European decorative tastes through the Canton trade.
  • Social clubs and learned societies proliferated in British and French cities, fostering intellectual exchange.
  • The world population was approximately 752 million.