A 7-inch 45-rpm phonograph record (or vinyl single) is often called a "45". It was officially introduced by RCA Victor on March 31, 1949, as a smaller, more durable alternative to older 78-rpm shellac records.

The narrator laments the loss of his love Lenore most famously in the 1845 narrative poem "The Raven." Lenore is also explicitly the central subject of Poe's earlier poem titled simply "Lenore."

Björn Borg won five successive Wimbledon singles titles. He achieved this winning streak from 1976 through 1980.

The metal item used in Benjamin Franklin's 1752 kite experiment was a metal house key. As storm clouds passed overhead, ambient electrical charge traveled down the wet hemp string to the key, creating visible sparks when Franklin brought his knuckle close to it.

Claude Monet's father wanted him to join and take over the family's shipping and grocery business in Le Havre, Normandy.