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Mexico imposed sharp limits
Alarmed at the growing number of Americans in Texas, Mexico imposed sharp limits on further immigration. -
$1,25 per acre
Congress passes a Pre-emption Act which grants settlers the right to purchase at $1.25 per acre 160 acres of public land which they have cultivated for at least 12 months, thereby offering "squatters" some protection against speculators who purchase lands they have already improved. -
Pacific Railway
The first trains began to run in America in the 1830s along the East Coast. -
Idea for an electromechanical telegraph
Samuel F. B. Morse, assisted by Alfred Vail, conceived of the idea for an electromechanical telegraph. -
Samuel Colt's revolver
Samuel Colt developed his revolver and this invention had a huge impact on many wars to come. -
Application of electricity
This commercial application of electricity was made tangible by their construction of a crude working model. -
Telegraph
The telegraph was further refined by Morse, Vail, and a colleague, Leonard Gale, into working mechanical form. -
the first commercial telegraph line
The first commercial telegraph line was completed between Washington, DC, and New York City in the spring by the Magnetic Telegraph Company. -
The Gold Rush
The Gold Rush began on January 24th 1848, at sutter’s mill, in the bank (berge) of the american river in coloma at the east of sacramento when James W. Marshall discovered gold in the river. -
Pacific Railway's construction
Congress sponsored parties to investigate routes for a transcontinental railroad. Theodore Judah, a civil engineer who helped build the first railroad in California, decided to promote a route along the 41st parallel, running through Nebraska, Wyoming, and California.
The central pacific and Union Pacific railroads wanted to establish routes across the territory from east to west. -
50 separate telegraph
There were over 50 separate telegraph companies operating in the United States. -
Gold Rush ended on January 1, 1856
The Gold Rush ended. now California was a state with many cities ( such as San Francisco and saramento) -
Civil War
The american civil war began on April 12, 1861 when the confederate states attacked Fort Sumter. The first reason for the war was the re-election of Abraham Lincoln. Lincoln wanted the abolition of slavery in the US.but in the syates of the south slavery was a huge part of the economy so there was a secession in america sepperating the north and south creating the confederate flag and instigating a civil war for 4 years. -
President Abraham Lincoln
President Abraham Lincoln signed the Pacific Railway Act and this action authorized extensive land grants in the Western United States -
Battle of Gettysburg
The Battle of Gettysburg was fought on July 1-3 1863 in and around the town of Gettysburg, in Pennsylvania. The battle of Gettysburg was an attack by the United States on a camp of confederates. The battle lasted 3 days and was a victory for the United States. It was the most murderous battle of the Civil War ( ~ 8000 dead ) This was the turn of the war.. -
Civil War ended on April 9, 1865
The civil war ended on April 9,1865 with a victory of united states. the confederate states of america were dissolved. -
Slavery
The war leads to the ratification of the 13th amendment of the constitution of the United sSates which abolished slavery. -
Congress etablished the meeting point
On May 10, 1869, locomotives from the two railroads met nose-to-nose to signal the joining of the two lines.
