DNA has 4 fundamental constituents: adenine, cytosine, guanine, and thymine

the melting point of phosphorus is 44°C

4:44 Last Day on Earth is a so-so 2012 sci-fi movie with Willem Dafoe and Natasha Lyonne

American diplomats and citizens were held hostage for 444 days in the Iran hostage crisis (1979-1981)

the Beatles were also known as the "Fab Four"

according to chiromancy, there are 4 main lines on a palm: life line, head line, heart line and Saturn line

Page 44 is an episode (s1e4) on the TV series "Limitless" in which Brian's loyalty is tested when Sands demands he steal some FBI's secret files

writer and pilot Antoine de Saint Exupéry died in an airplane crash at 44

the state of Idaho is divided into 44 counties

a variant of poker game in which each player is dealt four cards down, and four cards are dealt face down on the table in a row

there are 4 basic operations in arithmetic: addition, subtraction, multiplication, and division