Hundreds of thousands of people watched in front of the Capitol as President Barack Obama and Vice President Joe Biden are sworn into office. Obama makes history as the first African-American U.S. president.
Hundreds of thousands of protesting Filipinos forced President Joseph Estrada to step down. Vice President Gloria Macapagal Arroyo was sworn in as the new president.
The killing of a student activist sets the stage for the Bangladesh Liberation War. The war resulted in the secession of East Pakistan from the Islamic Republic of Pakistan and the establishment of Bangladesh as a sovereign nation.
The first Parliament of England summoned other than by royal command (in this instance by Simon de Montfort, Earl of Leicester) met in Westminster Hall.