Science

Discovery of Uranus
On March 13, 1781, William Hershel discovered Uranus, the first of the planets to be discovered in modern times.

Birth of Nicolaus Copernicus
Nicolaus Copernicus was born on February 19, 1473, in Thorn, Poland. A pioneering astronomer, he suggested that the planets revolve around the sun at a time many believed the planets revolved around the Earth.

National Donor Day
On February 14, 1998, the first National Donor Day was held in the US. The annual event is held to raise awareness of the need for organ and tissue donations and to honor those who have donated, those who have received donations, and those we lost before donations became available.

National Weatherpersons Day
February 5 is celebrated annually as National Weatherpersons Day in honor of Dr. John Jeffries, one of America’s first weather observers. National Weatherpersons Day is held on February 5 to mark Jeffries’s birthday in 1744.

First Official Transatlantic Phone Call
On January 7, 1927, men in New York and London staged the first official telephone call across the Atlantic Ocean. Using radio waves, it made instant communication across the ocean a reality, paving the way for our modern communication systems.

Death of George Washington Carver
Botanist and inventor George Washington Carver died on January 5, 1943, in Tuskegee, Alabama. Carver worked to help poor Southern farmers and is most famous for developing more than 300 uses for peanuts, earning the nickname, “Peanut Man.”

First Christmas Seals
On December 7, 1907, the first Christmas Seals went on sale. The first stamps were created to help save a Delaware tuberculosis sanitarium, but later issues went on to support the Red Cross, National Tuberculosis Association, and American Lung Association.

Happy Birthday Mary Lasker
Health activist and philanthropist Mary Woodward Lasker was born on November 30, 1900, in Watertown, Wisconsin. Lasker campaigned for greater cooperation between scientists and the medical community as well as for government funds to finance research.

Einstein’s Greatest Breakthrough
On November 21, 1905, Einstein published a paper that presented one of the world’s most famous formulas — E=mc2.