1842 ⟶ First Use of Ether Anaesthesia

Anaesthesia used for the first time.
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Year
1804
1842
1898
1909
1957
2019

🗺️ Lewis and Clark Expedition Begins Exploration of Western North America

Lewis and Clark Expedition in western U.S.⟶
ExplorationUnited States HistoryMappingIndigenous PeoplesTerritorial Expansion
United StatesUnited States

🧪 First Use of Ether Anaesthesia

Anaesthesia used for the first time.⟶
First Use of Ether Anaesthesia (1842)
MedicineSurgeryAnesthesiaMassachusettsMedical History
United StatesUnited States

🌪️ J.J. O'Donnell Documents Tornado Sound Sequence

J. J. O'Donnell discovers and documents the order-of-sequence for the sound of an approaching tornado⟶
J.J. O'Donnell Documents Tornado Sound Sequence (1898)
MeteorologyNatural DisasterWeatherObservationUnited States History
United StatesUnited States

🔬 Millikan Determines the Charge of an Electron

Robert Andrews Millikan: conducts the oil drop experiment and determines the charge on an electron⟶
Millikan Determines the Charge of an Electron (1909)
PhysicsAtomic TheoryExperimental PhysicsScientific MethodModern PhysicsQuantum Mechanics
United StatesUnited States

💊 First Prescription of Combined Oral Contraceptive Pill

First prescription of the combined oral contraceptive pill.⟶
First Prescription of Combined Oral Contraceptive Pill (1957)
MedicinePharmaceuticalsWomen's RightsSocial Change
United StatesUnited States

🧬 First Patient Treated with Genetically Modified Phage Therapy

Isabelle Holdaway is the first patient to receive a genetically modified phage therapy to treat a drug-resistant infection.⟶
First Patient Treated with Genetically Modified Phage Therapy (2019)
MedicineBiotechnologyInfectious DiseasesGenetic Engineering
United StatesUnited States