On March 4, 1909, the Copyright Act of 1909 became law, making infringement of a copyright a federal crime for the first time. Review a brief history of copyright in the United States.

On March 4, 1982, Bertha Wilson became the first woman appointed to the Supreme Court of Canada.

On March 4, 1834, the town of York in the British colony of Canada was incorporated as the City of Toronto. Learn the history of Toronto from the city's official website.

The International Criminal Court issued its first arrest warrant for a sitting head of state when it sought Sudanese dictator Omar al-Bashir on March 4, 2009 for allegedly directing attacks against civilians and being an indirect participant in murder, rape, and torture during the conflict in Darfur. Al-Bashir was removed from power in 2019. The former president remains in a Sudanese prison. Learn more about the case against al-Bashir and read the arrest warrant.