On Monday, President Donald Trump took the oath of office to become the 47th president of the United States of America.

President Donald Trump is acting on his campaign promises at the fastest clip in modern memory — sending almost hourly shockwaves through the government, the legal system, the science community and around the world.

Donald Trump's administration has reassigned about 20 senior career Justice Department attorneys, two sources familiar with the moves told Reuters, as the new president moves swiftly to shake up an arm of government that has long drawn his ire.

Donald Trump signed orders dealing with the border, criminal justice and the Biden administration. In many cases, he assigned work to the attorney general.

Trump issued 26 executive orders, 12 memoranda, and 4 proclamations on his first day back in the Oval Office. Here’s what to know.

Trump announced Stephen Miller as White House Deputy Chief of Staff for Policy, plus the additional role of homeland security adviser. Miller was a senior adviser to Trump during his first administration and one of the architects of some of his most controversial immigration policies, including his family separation program.

• Establish the Department of Government Efficiency under the Executive Office of the President until July 4, 2026. This is the entity led by Elon Musk, the world’s richest man, and is charged with recommending cuts in federal programs and spending.

Tuesday marks President Donald Trump's first full day in office. Keep up with the USA TODAY Network's coverage of his top priorities for Americans.

Newsweek is tracking the flurry of executive actions President-elect Trump is expected to sign on Monday. Follow along here.

President-elect Donald Trump has promised sweeping changes to several government departments, and the Department of Education (DOE) could be the site of some of the most radical changes to come. Established as a Cabinet-level federal agency in 1979 by President Jimmy Carter,

Tuesday marks Donald Trump's first full day in office. Keep up with the USA TODAY Network's live coverage on his top priorities for Americans.

Trump on Monday also signed a directive that could lead to the expulsion of visa-holders who “bear hostile attitudes” toward the country or “advocate for, aid, or support designated foreign terrorists.