Olaus roemer biography of abraham lincoln

Abraham Lincoln | Biography

16th President of the United States

Abraham Lincoln, revered as one of America's greatest presidents, led the nation through its Civil War and issued the Emancipation Proclamation.


Who is Abraham Lincoln?

Abraham Lincoln, the 16th president of the United States, served from until his assassination in Born on February 12, , in Hodgenville, Kentucky, Lincoln faced numerous hardships in his early life, including the death of his mother and the family's struggles with poverty. Despite these challenges, he became a self-taught lawyer and gained political traction as he opposed slavery and worked towards unifying a divided nation during the Civil War. His leadership during this tumultuous time, coupled with his dedication to the principles of democracy and equality, has solidified his status as one of America's most revered figures.

Lincoln's presidency is most notable for the Emancipation Proclamation, issued in , which freed enslaved people in the Confederate states. He articulated the importance of human rights in his famous Gettysburg Address, delivered in , where he stressed the mission of the Civil War as not only preserving the

Roemer’s Determination of Speed of Light

Earlier, many scientists believed that the speed of light was infinite and instantaneously could not travel any distance. In the early 17th century an Italian physicist Galileo Galilee devised an experiment and became the first person to try to measure the speed of light. In his experiment, he made two persons stand on hilltops which were at a distance of a few kilometres. He took lanterns with these two persons covering it and stood at a known distance apart. Then in the working on an experiment one person uncovered his lantern and as soon as the other person saw the light, he also uncovered his own lantern.

Actually, while doing so Galileo wanted to record the time between lantern signals, but was unsuccessful because light moves so fast to be measured and  the distance involved was too small. Also, it needed inter-planetary determinations.

 

Olaus Roemer

Source:

In , the first successful measurement of the speed of light or we can say the determination of the speed of light was made by Olaus Roemer and became the first person to prove that light travels at a finite speed. His method was

Abraham Lincoln

Who Was Abraham Lincoln?

Abraham Lincoln was the 16thpresident of the United States, serving from to , and is regarded as one of America’s greatest heroes due to his roles in guiding the Union through the Civil War and working to emancipate enslaved people. His eloquent support of democracy and insistence that the Union was worth saving embody the ideals of self-government that all nations strive to achieve. In , he issued the Emancipation Proclamation, which freed slaves across the Confederacy. Lincoln’s rise from humble beginnings to achieving the highest office in the land is a remarkable story, and his death is equally notably. He was assassinated by John Wilkes Booth in , at age 56, as the country was slowly beginning to reunify following the war. Lincoln’s distinctively humane personality and incredible impact on the nation have endowed him with an enduring legacy.

Quick Facts

FULL NAME: Abraham Lincoln
BORN: February 12,
DIED: April 15,
BIRTHPLACE: Hodgenville, Kentucky
SPOUSE: Mary Todd Lincoln (m. )
CHILDREN: Robert Todd Lincoln, Edward Baker Lincoln, William Wallace Lincoln, and Thomas “Tad” Lincoln
ASTROLOGICAL SIGN: Aquarius
HEIGHT: 6 fe

Facts, information and articles about the life of Abraham Lincoln, 16th President Of the United States

Abraham Lincoln Facts

Born

February 12, , Hodgenville, Kentucky

Died

April 15, , Petersen House, Washington, D.C.

Presidential Term

March 4, – April 15,

Spouse

Mary Todd Lincoln

Major Accomplishments

Served Four Terms in Illinois Legislature

Member of U.S. House of Representatives

16th President of the United States

Commander in Chief During Civil War

 

Abraham Lincoln Pictures

View Pictures, Photographs and Images of Abraham Lincoln throughout his life. View Abraham Lincoln Pictures.

Abraham Lincoln Movies

See a list of movies and videos of the life of Abraham Lincoln. View Abraham Lincoln Movies.

Abraham Lincoln Articles

Explore articles from the HistoryNet archives about Abraham Lincoln

 

Articles Featuring Abraham Lincoln From HistoryNet Magazines

Abraham Lincoln Summary

Abraham Lincoln was the 16th president of the United States of America, who successfully prosecuted the Civil War to preserve the nation. He played in key role in passage of the Thirteenth Amendment, which officially ended slavery in America. Murdered by John W


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