An amendment to the United States Constitution must be ratified by three-fourths (3/4) of all the states. In the current 50-state union, this requires approval from 38 states for an amendment to become part of the Constitution.

On December 1, 1955, Rosa Parks boarded a bus in Montgomery, Alabama. Instead of going to the back of the bus, which was designated for African Americans, she sat in the front. When the bus started to fill up with white passengers, the bus driver asked Parks to move. She refused. Her resistance set in motion one of the largest social movements in history, the Montgomery Bus Boycott.

In the 1983 film Trading Places, Eddie Murphy's character, a streetwise con artist named Billy Ray Valentine, trades places with an upper-class commodities broker named Louis Winthorpe III, played by Dan Aykroyd.

The soft, triangular, fleshy part on the underside of a horse's hoof is called the frog. This V-shaped structure is located between the heel bulbs and extends toward the toe, typically occupying about 25% to 33% of the hoof's bottom surface.

During World War I (starting in 1918), President Woodrow Wilson kept a flock of sheep to graze on the White House lawn. The flock, which grew to 48 sheep at its peak, was used to save manpower, provide natural fertilizer, and raise over $50,000 for the Red Cross by auctioning their wool.