-
The Model T, invented by Henry Ford, was the first affordable car for the average American. -
The Zimmermann Telegram was a secret German message proposing an alliance with Mexico against the U.S. during World War I. -
-
The WWI Armistice ended fighting between Germany and the Allied powers, officially stopping World War I. -
The 19th Amendment, passed in 1920, gave women the right to vote in the U.S. -
Charles Lindbergh's flight in 1927 was the first solo nonstop trip across the Atlantic Ocean. He flew from New York to Paris in a plane called the Spirit of St. Louis. -
Black Thursday, was the day the stock market crashed, starting the Great Depression. -
Hitler became chancellor of Germany in 1933, gaining control of the government and starting his rule. -
The New Deal was a plan by President Franklin D. Roosevelt in the 1930s to help the U.S. recover from the Great Depression. -
The Munich Pact, signed in 1938, was an agreement where Britain and France allowed Germany to take control of parts of Czechoslovakia. They hoped this would prevent war, but it didn't work. -
Hitler invaded Poland on September 1, 1939, which started World War II. This attack led Britain and France to declare war on Germany. -
Pearl Harbor was a surprise attack by Japan on a U.S. base in Hawaii. This led the United States to join World War II. -
D-Day was when Allied soldiers landed in Normandy, France, to fight against Nazi Germany in World War II. -
Hiroshima and Nagasaki were two cities in Japan bombed by the U.S. with atomic bombs. This caused Japan to surrender and ended World War II. -
The United Nations (UN) was formed in 1945 after World War II to promote peace and security between countries. It aims to prevent wars and solve global problems. -
The Long Telegram was a message from U.S. diplomat George Kennan explaining the Soviet Union's plans. It helped shape U.S. actions during the Cold War. -
NATO was created in 1949 as a group of countries, like the U.S. and European nations, to protect each other. Its goal is to keep peace and stop wars. -
Russia successfully tested its first atomic bomb, making it the second country, after the U.S., to have nuclear weapons. -
The Korean War was fought from 1950 to 1953 between North Korea and South Korea. It ended with the country still divided into two parts. -
Brown v. Board of Education was a court case that decided separate schools for Black and white students were wrong. It helped end school segregation. -
The Vietnam War was fought from 1955 to 1975 between North Vietnam and South Vietnam. North Vietnam won, and the country became one. -
Rosa Parks, a Black woman, refused to give up her seat on a bus to a white person. Her brave act helped start the Civil Rights Movement. -
In 1962, the Soviet Union put missiles in Cuba, close to the U.S. This almost started a war, but both sides agreed to remove the missiles. -
President John F. Kennedy was shot and killed on November 22, 1963, while riding in a car in Dallas, Texas. -
The Gulf of Tonkin Resolution in 1964 allowed the U.S. president to use military force in Vietnam after attacks on U.S. ships. This led to more U.S. involvement in the Vietnam War. -
The Apollo 11 Moon landing happened on July 20, 1969. Astronauts Neil Armstrong and Buzz Aldrin were the first people to walk on the Moon, a major achievement in space exploration and American history. -
The Watergate break-ins happened in 1972 when people working for President Nixon broke into the Democratic Party's office. This led to Nixon resigning in 1974. -
Nixon resigned in 1974 because of the Watergate scandal. He became the first U.S. president to quit while in office. -
The Internet began when computers were connected to share information. It grew over time and became a way for people all over the world to connect. -
The Berlin Wall fell on November 9, 1989, and people could finally move between East and West Berlin. This helped end the division of Germany. -
The 9/11 attacks happened on September 11, 2001, when a group of people hijacked planes and crashed them into the Twin Towers in New York and the Pentagon. Many people died, and it lead to major changes in U.S. security. -
The COVID-19 pandemic started in late 2019 and spread in 2020, causing sickness and lockdowns. In the U.S., it caused big changes, overwhelmed hospitals, and led to new health and safety rules.