Historical Events (United States)
• 1781 – William Herschel discovers Uranus
Astronomer William Herschel identifies Uranus while observing the night sky with a telescope in England. It becomes the first planet discovered with a telescope, expanding humanity’s understanding of the solar system and astronomy.
Source: https://www.britannica.com/place/Uranus-planet
• 1862 – The U.S. government bans Union military officers from returning fugitive slaves
During the American Civil War, the U.S. Congress prohibits Union military personnel from returning escaped enslaved people to their enslavers, marking an important step toward broader emancipation policies.
Source: https://www.britannica.com/event/American-Civil-War
• 1969 – Apollo 9 returns safely to Earth
NASA’s Apollo 9 mission successfully lands after testing the Lunar Module in Earth orbit. The mission proves that astronauts can dock, undock, and operate the Lunar Module independently—critical steps toward the Moon landing later that year.
Source: https://www.britannica.com/event/Apollo-9
Historical Events (International)
• 1881 – Tsar Alexander II of Russia assassinated
Russian emperor Alexander II is killed by revolutionaries in Saint Petersburg. Known for major reforms such as the emancipation of the serfs in 1861, his assassination shocks the empire and leads to a more repressive political climate.
Source: https://www.britannica.com/biography/Alexander-II-emperor-of-Russia
• 2013 – Election of Pope Francis
Argentine cardinal Jorge Mario Bergoglio is elected pope, becoming Pope Francis, the first pope from the Americas and the first Jesuit pope in history. His papacy emphasizes humility, social justice, and care for the poor.
Source: https://www.britannica.com/biography/Pope-Francis
• 2016 – Brussels airport bombing plot suspect captured
Authorities capture Salah Abdeslam, a key suspect in the November 2015 Paris terrorist attacks, in Brussels. The arrest becomes a major development in the international investigation into the attacks.
Source: https://www.britannica.com/event/November-2015-Paris-attacks
Notable Birthdays
• 1855 – Percival Lowell
American astronomer who founded the Lowell Observatory and promoted the idea that canals existed on Mars, influencing early studies of the planet.
Source: https://www.britannica.com/biography/Percival-Lowell
• 1913 – L. Ron Hubbard
American writer and founder of Scientology, a religious movement that grew internationally during the 20th century.
Source: https://www.britannica.com/biography/L-Ron-Hubbard
• 1945 – Anatoli Fomenko
Russian mathematician and academic known for work in geometry and topology, as well as the controversial “New Chronology” theory.
Source: https://www.britannica.com/biography/Anatoly-Fomenko
Notable Deaths
• 1901 – Benjamin Harrison
23rd President of the United States, known for signing the Sherman Antitrust Act and expanding the U.S. Navy during his presidency.
Source: https://www.britannica.com/biography/Benjamin-Harrison
• 2015 – Terry Pratchett
British author famous for the fantasy series Discworld, widely celebrated for his humor and satire.
Source: https://www.britannica.com/biography/Terry-Pratchett
Observances & Cultural Notes
• National K9 Veterans Day (United States)
Honors military and working dogs that have served alongside soldiers in wars and security missions. The date commemorates the official establishment of the U.S. Army K9 Corps in 1942.
Source: https://www.nationalk9veteransday.org/
• World Kidney Day (International, variable date)
Often observed around March 13 depending on the year, raising awareness about kidney health and the prevention of kidney disease worldwide.
Source: https://www.worldkidneyday.org/
Why March 13 Matters
March 13 reflects turning points in science, politics, and global leadership. From the discovery of Uranus and key steps toward the Moon landing to the election of Pope Francis and major historical reforms, the day highlights moments when human curiosity, political change, and global cooperation reshaped the world.
It’s a reminder that discovery, reform, and leadership often emerge during uncertain times—and their impact can resonate for generations.