On June 16, 1858, accepting the Illinois Republican Party’s nomination for the U.S. Senate, Abraham Lincoln said the issue of slavery in the United States had to be resolved, declaring, “a house divided against itself cannot stand.”

In 1976, thousands of Black students in Johannesburg’s Soweto township demonstrated against the imposition of the Dutch-based Afrikaans language in schools; police opened fire, killing at least 176 students and as many as 700.

In 1978, President Jimmy Carter and Panamanian leader Omar Torrijos signed the instruments of ratification for the Panama Canal treaties during a ceremony in Panama City.

In 2015, Donald Trump launched his first campaign for the presidency with a speech at Trump Tower in New York City.

In 2016, Walt Disney Co. opened Shanghai Disneyland, its first theme park in mainland China.