Former President Barack Obama was spotted at the inauguration of Donald Trump. See pictures of the former president here.

In 1265, Britain's House of Commons, which became a model for parliamentary bodies, met for the first time. In 1778, James Cook became the first European to step foot on the Hawaiian Islands. He called them the Sandwich Islands.

America made its history as the first Black person, Barack Obama, was sworn in as the 44th president of the country. In front of record-breaking crowds, the young senator became the commander-in-chief of the United States,