September 18

George Washington lays first cornerstone for the US Capitol (1793); New York Times founded (1851); Baseball Hall of Famer Ryne Sandberg born (1959); Jimi Hendrix dies (1970); Supreme Court Justice Ruth Bader Ginsburg dies (2020).

September 17

US Constitution is signed (1787); Harriet Tubman escapes from slavery for the first time (1849); Actress Anne Bancroft born (1931); Camp David Accords signed providing framework for Egypt-Israel peace treaty (1978); Vanessa Williams becomes first Black woman crowned Miss America (1983).

September 16

Pilgrims depart from England on the Mayflower (1620); Actress Lauren Bacall born (1924); American musician BB King born (1925); Historian and author Henry Louis Gates Jr. born (1950); Golfer Bryson DeChambeau born (1993). 

April 30

"Dangers come but dangers also go and when they do, the brain has an “all-clear” signal that teaches it to extinguish its fear."https://picower.mit.edu/news/dopamine-signals-when-fear-can-be-forgotten?utm_source=join1440&utm_medium=email&utm_placement=newsletter&user_id=66c4c92f5d78644b3ac5d5b4

June 23

Computer scientist Alan Turing born (1912); Track and field great Wilma Rudolph born (1940); Title IX enacted, banning gender discrimination in public education and sports (1972); Polio vaccine developer Jonas Salk dies (1995); The UK votes to leave the EU (2016).

July 13

"Gravitational waves are tiny distortions in spacetime itself, created when massive objects like black holes or neutron stars collide."https://www.universetoday.com/articles/magnets-could-become-the-next-generation-of-gravitational-wave-detectors

September 15

Mystery writer Agatha Christie born (1890); Muhammad Ali defeats Leon Spinks to win heavyweight title for the third time (1978); Prince Harry born (1984); Google.com registered as domain name (1997).