Tax Cuts and Jobs Act Implementation
Begins implementation of major tax cuts passed in late 2017.
Permanent historical records · Updated 2026-11-03
2018 in United States of America
Explore 51 historical events and records for United States of America in 2018.
Historical records for United States of America in 2018
Sorted by month and day. Records with no month are shown last. Showing 40 of 51 unique records.
51Unique records
1 of 2Page
38Named events on this page
20Named people on this page
12Places on this page
January
February
Powell Becomes Federal Reserve Chair
Jerome Powell begins service as chair of the Federal Reserve Board, succeeding Janet Yellen and taking responsibility for monetary policy and financial supervision late in a long economic expansion.
Kuiper Belt Image Record Announced
NASA announces New Horizons images of 2012 HZ84 and 2012 HE85 as record-setting distant spacecraft observations of Kuiper Belt objects.
April
Icarus Farthest Star
Kelly leads the Hubble discovery of the gravitationally magnified star Icarus, then the most distant individual star ever observed.
May
Iran Nuclear Deal Withdrawal
Withdraws the U.S. from the Iran nuclear agreement.
JCPOA Withdrawal
Withdraws the United States from the Iran nuclear agreement.
United States Withdraws from JCPOA
Announces United States withdrawal from the Joint Comprehensive Plan of Action concerning Iran's nuclear programme.
Steel and Aluminum Tariffs
Imposes tariffs on steel and aluminum imports from allies.
June
Pluto
Analysis of New Horizons imagery confirms dune fields near Sputnik Planitia, showing that Pluto's thin atmosphere can mobilize surface particles.
Pluto
Pluto's dunes are interpreted as deposits of sand-sized methane-ice grains shaped by winds near the margins of Sputnik Planitia.
North Korea Singapore Summit
Meets Kim Jong Un in Singapore to discuss denuclearisation.
Singapore Trade Remarks
Links trade and security in remarks during North Korea summit.
China Trade War
Announces tariffs on Chinese goods, beginning a trade war.
Family Separation Controversy
Faces backlash over family separations at the U.S.–Mexico border.
July
Kavanaugh Nomination
Nominates Brett Kavanaugh to the Supreme Court.
NATO Brussels Summit
Presses allies on burden-sharing at NATO summit.
Helsinki Summit with Putin
Meets Russian President Vladimir Putin in Helsinki.
Twelve New Jupiter Moons
A team led by Sheppard announces twelve newly identified moons of Jupiter, including unusual Valetudo.
September
Tariff Escalation with China
Announces further tariffs on Chinese imports.
Trade Deal USMCA Announcement
Announces agreement on the USMCA trade deal replacing NAFTA.
October
Kepler-1625b Exomoon Evidence
Teachey uses Hubble data with Kepler observations to report evidence for a possible large moon orbiting exoplanet Kepler-1625b.
Kavanaugh Confirmation
Brett Kavanaugh is confirmed to the Supreme Court.
November
Paris Climate Exit Formalisation
Moves to formalise U.S. exit from the Paris climate accord.
Parker First Solar Perihelion
Leads the SWEAP investigation as Parker Solar Probe makes its first close solar pass and directly samples solar-wind electrons, protons and alpha particles nearer the Sun than previous missions.
Voyager 2 Heliopause Crossing
Leads interpretation of Voyager 2 observations as the spacecraft crosses the heliopause and measures the transition from solar-wind plasma to the interstellar environment.
Voyager 2 Heliopause Plasma Signature
Uses Voyager 2 plasma measurements to identify the sharp transition from the heliosphere into interstellar space.
Voyager 2 Interstellar Space
Voyager 2 becomes the second spacecraft to enter interstellar space.
Democrats Take House
Democrats win control of the House of Representatives in midterm elections.
Death of George Herbert Walker Bush
Death of George H W Bush
December
Government Shutdown Over Wall
Triggers a partial government shutdown over border wall funding.
Other events (month unknown)
Academy Award
Wins a second Academy Award for Best Actress for Three Billboards Outside Ebbing, Missouri.
Academy Award
Wins the Academy Award for Original Screenplay for Get Out.
Arrokoth Navigation Detection
New Horizons detects its Kuiper Belt flyby target in long-range navigation images months before closest approach.
Arthur Gregg Sulzberger Becomes Publisher
Arthur Gregg Sulzberger succeeded his father as publisher and continued developing the Times as a digital subscription business.
BlacKkKlansman
Directs BlacKkKlansman, dramatizing Ron Stallworth's infiltration of a Ku Klux Klan chapter.
Discovery of Pi Mensae c
Leads analysis of Pi Mensae c, the first planet discovery announced from TESS data.
First Man
Directs First Man, a biographical drama about astronaut Neil Armstrong and the Apollo 11 mission.
If Beale Street Could Talk
Writes and directs If Beale Street Could Talk, adapting James Baldwin's novel.
Isle of Dogs Berlin Director Prize
Won the Silver Bear for best director at Berlin for Isle of Dogs.
Isle of Dogs Feature
Wes Anderson directed Isle of Dogs, a stop-motion adventure set in a fictional Japanese city.
How these records were prepared
Generated from the World History Database historical_events table. Identical display records are collapsed; descriptions otherwise retain the stored text. Coverage and source quality vary. Check primary and specialist sources before citing individual historical claims.