Donald Trump took oath as the 47th US President in the Capitol Rotunda due to subfreezing temperatures, marking the coldest inauguration since 1985.
In his inaugural speech, Trump declared "The golden age of America begins right now" and promised rapid changes to immigration, energy, and social policies.
Trump announced plans to declare a national emergency at the southern border and begin deporting "millions and millions of criminal aliens."
Panama's President José Raúl Mulino strongly rejected Trump's claims about the Panama Canal, stating it "is and will continue to be Panamanian."
Mexico's President Claudia Sheinbaum urged Mexican immigrants to remain calm while promising to defend their rights and emphasizing dialogue.
International leaders responded with mixed reactions - from enthusiasm from allies like Viktor Orbán to cautious responses from Canada's Trudeau regarding threatened tariffs.
Trump announced plans to roll back clean energy initiatives, end the electric vehicle mandate, and revoke what he called the "Green New Deal."
Among his first executive actions, Trump promised to sign pardons for nearly 1,500 Capitol rioters from January 6, 2021.
Former presidents Biden, Obama, Clinton, and Bush attended the ceremony, with Biden issuing final pardons to family members before leaving office.
Trump outlined plans to rename landmarks, including changing the Gulf of Mexico to the Gulf of America and Mount Denali back to Mount McKinley.