Astronomically speaking, Earth’s orbit of the Sun takes precisely 365.2421 days — the extra quarter of a day per year necessitating a leap day in the Gregorian calendar every four years to avoid seasonal shift.

Rediscovered in the Cambodian jungle in 1860 by a French Naturalist, Angkor Wat, also known as Temple City, is a 400 acre complex honoring Hindu and Buddhist faiths.

Established in 657 BCE but later renamed by Roman emperor Constantine I, the city of Constantinople served as the Byzantine capital with structures still remaining today in modern-day Istanbul.

In 1975, South Vietnam was slowly collapsing to communist forces, prompting the US to evacuate orphans in the largest act of adoption in human history.

Napoleon Bonaparte ascended through the French Revolution to seize power and conquer much of 19th century Europe. From the Napoleonic wars to his code of law, his impact is felt to this day.

The history of hot dogs could date back to Ancient Rome with the invention of the sausage, spreading to Germany and Austria where the more modern frankfurter and wienerwurst were born.

A popular belief among US politicians between the 1940s and 1970s, the Domino Theory suggested that communism was contagious and would spread to neighboring countries if not contained militarily.