Wikipedia:Selected anniversaries/January 2
- 1777 – American Revolutionary War: American forces under the command of George Washington repulsed a British attack at the Battle of the Assunpink Creek near Trenton, New Jersey.
- 1941 – Second World War: Llandaff Cathedral (pictured) in Cardiff, Wales, was severely damaged by German bombing during the Cardiff Blitz.
- 1991 – Sharon Pratt Dixon was sworn in as the mayor of Washington, D.C., becoming the first African-American woman to hold the position.
- 2016 – Nimr al-Nimr, a prominent Shia cleric in Saudi Arabia, was executed by the Saudi government along with 46 other people.