The Bessemer process was the first inexpensive industrial process for the mass-production of steel from molten pig iron prior to the open hearth furnace.
Reconstruction addressed how the eleven seceding states would regain self-government and be reseated in Congress, the civil status of the former leaders of the Confederacy, and the Constitutional and legal status of freedmen, especially their civil rights and whether they should be given the right to vote. Violent controversy erupted throughout the South over these issues - ended with the Compromise of 1877
December 6, 1865
The Thirteenth Amendment to the United States Constitution outlaws slavery and involuntary servitude, except as punishment for a crime.
The Alaska Purchase was the acquisition of the Alaska territory by the United States from the Russian Empire in the year 1867 by a treaty ratified by the Senate. Purchased for the resources
July 9, 1868
The Fourteenth Amendment (Amendment XIV) to the United States Constitution was adopted on July 9, 1868, as one of the Reconstruction Amendments. It provides a broad definition allowing African Americans citizenship.
Standard Oil Company
Standard Oil was an American oil producing, transporting, refining, and marketing company. Established in 1870 as a corporation in Ohio, it was the largest oil refiner in the world.
a 1,907 mile (3,069 km) contiguous railroad line constructed between 1863 and 1869 across the western United States connecting the Pacific coast at San Francisco Bay with the existing Eastern U.S. rail network at Council Bluffs, Iowa on the Missouri River.
February 3, 1870
The Fifteenth Amendment (Amendment XV) to the United States Constitution prohibits the federal and state governments from denying a citizen the right to vote based on that citizen's "race, color, or previous condition of servitude". It was ratified on February 3, 1870, as the third and final of the Reconstruction Amendments.
July 6, 1892
The Homestead Strike was an industrial lockout and strike which began on June 30, 1892, culminating in a battle between strikers and private security agents on July 6, 1892. The battle was the second largest and one of the most serious disputes in U.S. labor history occurred at the Homestead Steel Works in the Pittsburgh area town of Homestead, Pennsylvania, between the Amalgamated Association of Iron and Steel Workers (the AA) and the Carnegie Steel Company. The final result was a major defeat for the union and a setback for efforts to unionize steelworkers.
Annexation of Hawaii
despite the opposition of a majority of Native Hawaiians, the Newlands Resolution was used to annex the Republic to the United States and it became the Territory of Hawaii. The Newlands Resolution was passed by the House June 15, 1898, by a vote of 209 to 91, and by the Senate on July 6, 1898, by a vote of 42 to 21.
April 25, 1898
The Spanish–American War was a conflict in 1898 between Spain and the United States, effectively the result of American intervention in the Cuban War of Independence. American attacks on Spain's Pacific possessions led to involvement in the Philippine Revolution and ultimately to the Philippine–American War. U.S.S. Maine
Open Door Policy
The Open Door Policy is a concept in foreign affairs, which usually refers to the policy in 1899 allowing multiple Imperial powers access to China, with none of them in control of that country.
The Square Deal was President Theodore Roosevelt's domestic program formed upon three basic ideas: conservation of natural resources, control of corporations, and consumer protection.
The Panama Canal is a 48-mile ship canal in Panama that connects the Atlantic Ocean (via the Caribbean Sea) to the Pacific Ocean. President Theodore Roosevelt appointed John Findlay Wallace, formerly chief engineer and finally general manager of the Illinois Central Railroad, chief engineer of the Panama Canal Project.
The Ford Model T is an automobile that was produced by Henry Ford's Ford Motor Company from October 1, 1908 to May 27, 1927. It is generally regarded as the first affordable automobile, the car that opened travel to the common middle-class American; some of this was because of Ford's innovations, including assembly line production instead of individual hand crafting.
The National Association for the Advancement of Colored People (NAACP) is an African-American civil rights organization in the United States, formed in 1909. Its mission is “to ensure the political, educational, social, and economic equality of rights of all persons and to eliminate racial hatred and racial discrimination
Triangle Shirtwaist Factory Fire
March 25 1911
The Triangle Shirtwaist Factory fire in New York City on March 25, 1911, was the deadliest industrial disaster in the history of the city of New York and resulted in the fourth highest loss of life from an industrial accident in U.S. history.
The New Freedom comprises the campaign speeches and promises of Woodrow Wilson in the 1912 presidential campaign. They constituted the reforms promoted by Wilson. They called for less government, but in practice as president he added new controls such as the Federal Reserve System and the Clayton Antitrust Act. More generally the "New Freedom" is associated with Wilson's first term as president (1913-1917). As President, Wilson focused on three types of reform:
Tariff Reform, Business Reform, Banking Reform
February 3, 1913
The Sixteenth Amendment to the United States Constitution allows the Congress to levy an income tax without apportioning it among the states or basing it on Census results.
January 16, 1919
The Eighteenth Amendment (Amendment XVIII) of the United States Constitution effectively established the prohibition of alcoholic beverages in the United States by declaring the production, transport and sale of (though not the consumption or private possession of) alcohol illegal.
Treaty of Versailles
June 28, 1919
The Treaty of Versailles (French: le Traité de Versailles) was one of the peace treaties at the end of World War I. It ended the state of war between Germany and the Allied Powers. It was signed on 28 June 1919, exactly five years after the assassination of Archduke Franz Ferdinand.
The Harlem Renaissance was a cultural movement that spanned the 1920s. it was centered in the Harlem neighborhood of New York City, many French-speaking black writers from African and Caribbean colonies who lived in Paris were also influenced by the Harlem Renaissance
August 18, 1920
The Nineteenth Amendment (Amendment XIX) to the United States Constitution prohibits any United States citizen from being denied the right to vote on the basis of sex. It was ratified on August 18, 1920.
Radio station KDKA
November 2, 1920
KDKA (1020 kHz) is a radio station licensed to Pittsburgh, Pennsylvania, USA. Created by the Westinghouse Electric Corporation on November 2, 1920, it is the world's first commercial radio station, a distinction that has also been challenged by other stations, although it has claimed to be the "world's first commercially licensed radio station".
October 29, 1929
The crash signaled the beginning of the 10-year Great Depression that affected all Western industrialized countries and did not end in the United States until the onset of American mobilization for World War II at the end of 1941.
The Dust Bowl, or the Dirty Thirties, was a period of severe dust storms causing major ecological and agricultural damage to American and Canadian prairie lands in the 1930s. The phenomenon was caused by severe drought combined with a failure to apply dryland farming methods to prevent wind erosion.
The fireside chats were a series of thirty evening radio addresses given by United States President Franklin D. Roosevelt between 1933 and 1944. Although the World War I Committee on Public Information had seen presidential policy propagated to the public en masse, ‘fireside chats’ were the first media development that facilitated intimate and direct communication between the president and the citizens of the United States
The New Deal was a series of domestic economic programs enacted in the United States between 1933 and 1936. They involved presidential executive orders or laws passed by Congress during the first term of President Franklin D. Roosevelt. The programs were in response to the Great Depression, and focused on what historians call the "3 Rs": Relief, Recovery, and Reform. That is Relief for the unemployed and poor; Recovery of the economy to normal levels; and Reform of the financial system to prevent a repeat depression
January 30, 1933
the mass murder or genocide of approximately six million Jews during World War II, a programme of systematic state-sponsored murder by Nazi Germany, led by Adolf Hitler and the Nazi Party, throughout German-occupied territory.
Second New Deal
the second stage of the New Deal programs of President Franklin D. Roosevelt. In his address to Congress in January 1935, Roosevelt called for three major goals: improved use of national resources, security against old age, unemployment and illness, and slum clearance, as well as a national welfare program (the WPA) to replace state relief efforts.
was a legislative initiative proposed by U.S. President Franklin D. Roosevelt to add more justices to the U.S. Supreme Court. Roosevelt's purpose was to obtain favorable rulings regarding New Deal legislation that had been previously ruled unconstitutional.
September 29 1938
The Munich Agreement was a settlement permitting Nazi Germany's annexation of Czechoslovakia's areas along the country's borders mainly inhabited by German speakers, for which a new territorial designation "Sudetenland" was coined.
Japanese Internment Camps
Japanese-run military prisoner-of-war and civilian internment and concentration camps during World War II. Some of these camps were for prisoners of war (POW) only. Some also held a mixture of POWs and civilian internees, while others held solely civilian internees.
March 11, 1941
started a program under which the United States of America supplied the United Kingdom, the USSR, Republic of China, Free France, and other Allied nations with materiel between 1941 and 1945.
December 7, 1941
Pearl Harbor is a lagoon harbor on the island of Oahu, Hawaii, west of Honolulu. Much of the harbor and surrounding lands is a United States Navy deep-water naval base. It is also the headquarters of the United States Pacific Fleet. The attack on Pearl Harbor by the Empire of Japan on Sunday, December 7, 1941 brought the United States into World War II.
Bataan Death March
April 9, 1942
the forcible transfer by the Imperial Japanese Army of 60-80,000 Filipino and American prisoners of war after the three-month Battle of Bataan in the Philippines during World War II. All told, approximately 2,500–10,000 Filipino and 100-650 American prisoners of war died before they could reach Camp O'Donnell.
Battle of Midway
June 4 1942
The most important naval battle of the Pacific Campaign of World War II. Between 4 and 7 June 1942, only six months after Japan's attack on Pearl Harbor, and one month after the Battle of the Coral Sea, the United States Navy decisively defeated an Imperial Japanese Navy (IJN) attack against Midway Atoll, inflicting irreparable damage on the Japanese fleet. Military historian John Keegan called it "the most stunning and decisive blow in the history of naval warfare."
6 June 1944
the landing operations of the Allied invasion of Normandy, in Operation Overlord, during World War II. The landings commenced on Tuesday, 6 June 1944 (D-Day), beginning at 6:30 am British Double Summer Time (GMT+2). In planning, as for most Allied operations, the term D-Day was used for the day of the actual landing, which was dependent on final approval.
Battle of the Bulge
16 December 1944
Major German offensive campaign launched through the densely forested Ardennes region of Wallonia in Belgium, France and Luxembourg on the Western Front toward the end of World War II in Europe. The surprise attack caught the Allied forces completely off guard and became the costliest battle in terms of casualties for the United States, whose forces bore the brunt of the attack, during all of World War II. It also severely depleted Germany's war-making resources and was the country's final offensive operation of the war.
an international organization whose stated aims include promoting and facilitating cooperation in international law, international security, economic development, social progress, human rights, civil rights, civil liberties, political freedoms, democracy, and the achievement of lasting world peace.
8 May 1945
Victory in Europe Day marks the date when the World War II Allies formally accepted the unconditional surrender of the armed forces of Nazi Germany and the end of Adolf Hitler's Third Reich, thus ending the war in Europe.
6 August 1945
an explosive device that derives its destructive force from nuclear reactions, either fission or a combination of fission and fusion. Both reactions release vast quantities of energy from relatively small amounts of matter. The first fission ("atomic") bomb test released the same amount of energy as approximately 20,000 tons of TNT. The first thermonuclear ("hydrogen") bomb test released the same amount of energy as approximately 10,000,000 tons of TNT.