1 January 2018Tax Cuts and Jobs Act ImplementationDonald Trump
Begins implementation of major tax cuts passed in late 2017.
Historical records for United States in 2018, rendered directly from the World History Database and ordered by month, day and event.
Begins implementation of major tax cuts passed in late 2017.
NASA announces New Horizons images of 2012 HZ84 and 2012 HE85 as record-setting distant spacecraft observations of Kuiper Belt objects.
Kelly leads the Hubble discovery of the gravitationally magnified star Icarus, then the most distant individual star ever observed.
Withdraws the U.S. from the Iran nuclear agreement.
Withdraws the United States from the Iran nuclear agreement.
Announces United States withdrawal from the Joint Comprehensive Plan of Action concerning Iran's nuclear programme.
Imposes tariffs on steel and aluminum imports from allies.
Analysis of New Horizons imagery confirms dune fields near Sputnik Planitia, showing that Pluto's thin atmosphere can mobilize surface particles.
Pluto's dunes are interpreted as deposits of sand-sized methane-ice grains shaped by winds near the margins of Sputnik Planitia.
Meets Kim Jong Un in Singapore to discuss denuclearisation.
Links trade and security in remarks during North Korea summit.
Announces tariffs on Chinese goods, beginning a trade war.
Faces backlash over family separations at the U.S.–Mexico border.
Nominates Brett Kavanaugh to the Supreme Court.
Presses allies on burden-sharing at NATO summit.
Meets Russian President Vladimir Putin in Helsinki.
A team led by Sheppard announces twelve newly identified moons of Jupiter, including unusual Valetudo.
A merger-history study proposes that M31 experienced a dominant collision with a large galaxy about two billion years ago and links the event to its stellar halo and M32.
Announces further tariffs on Chinese imports.
Announces agreement on the USMCA trade deal replacing NAFTA.
Teachey uses Hubble data with Kepler observations to report evidence for a possible large moon orbiting exoplanet Kepler-1625b.
Brett Kavanaugh is confirmed to the Supreme Court.
Moves to formalise U.S. exit from the Paris climate accord.
Uses Voyager 2 plasma measurements to identify the sharp transition from the heliosphere into interstellar space.
Voyager 2 becomes the second spacecraft to enter interstellar space.
Democrats win control of the House of Representatives in midterm elections.
Death of George H W Bush
Triggers a partial government shutdown over border wall funding.
Wins a second Academy Award for Best Actress for Three Billboards Outside Ebbing, Missouri.
Wins the Academy Award for Original Screenplay for Get Out.
New Horizons detects its Kuiper Belt flyby target in long-range navigation images months before closest approach.
Directs BlacKkKlansman, dramatizing Ron Stallworth's infiltration of a Ku Klux Klan chapter.
Directs First Man, a biographical drama about astronaut Neil Armstrong and the Apollo 11 mission.
Writes and directs If Beale Street Could Talk, adapting James Baldwin's novel.
Juno measurements reveal unexpected lightning signatures and improve understanding of Jovian thunderstorms.
Wong helps track a large Neptune dark vortex as it shrinks over successive Hubble observations.
Hsu analyses Hubble observations to estimate how frequently Neptune's large dark vortices appear and disappear.
Hubble detects a large new dark storm in Neptune's northern hemisphere.
Shares the Nobel Prize in Physiology or Medicine for discovering cancer therapy through inhibition of negative immune regulation.
Shares the Nobel Prize in Chemistry for the directed evolution of enzymes.
Shares the Nobel Prize in Physics for optical tweezers and their application to biological systems.
Shares the Nobel Prize in Chemistry for developing phage display of peptides and antibodies.
Directs The 15:17 to Paris, casting the real-life men involved in the train incident.
Directs and stars in The Mule, a crime drama about an elderly drug courier.
This page is generated from stored World History Database records matching the exact country and year shown above. Exact duplicate display records are collapsed. Records without a month are listed after the monthly sections. Source provenance varies by record; formal academic citation should be checked against the relevant primary source, archive or specialist historical reference.