The Immigration Act of 1965 was a law that abolished the national origins quota system and allowed for more immigrants from non-European countries to enter the United States.

Aaron Burr was an American politician and lawyer who served as the third Vice President of the United States under Thomas Jefferson. He is also known for killing Alexander Hamilton in a famous duel in 1804.

McCulloch v. Maryland was a landmark case in which the Supreme Court ruled that the federal government had the power to establish a national bank and that states could not tax federal institutions. This decision established the principle of federal supremacy over state laws.

Social Security Act: U.S. law enacted in 1935. Established social welfare programs, including retirement benefits and assistance for the elderly, disabled, and unemployed.

The Fugitive Slave Act of 1793 allowed slave owners to capture and reclaim escaped slaves, reinforcing the institution of slavery in the United States.

Infamous 1881 shootout at O.K. Corral: Legendary Wild West clash between lawmen and outlaws in Tombstone, Arizona. Gunslinger showdown with lasting historical impact.

Taps is a military tradition that originated during the American Civil War and is played at military funerals and ceremonies to honor fallen soldiers.