150

Roman Empire

 * The Roman army consists of 400,000 men. Of these, there are ten  (55,000 men) and 140 auxiliary units (80,000 men, of which half are cavalry) based in the  and along the ; 50,000 legionnaires and auxiliaries in ; 45,000 in ; 20,000 men in ; and 10,000 in  and.

Europe

 * The Germans of the east move south, into the and  area.

Asia

 * First and only year of Heping of the Chinese.

Americas

 * The Middle Culture period of ends (approximate date).
 * The Great is constructed in .  It is the tallest  building in the Americas.

Religion

 * produces his own version of the (approximate date).

Arts and Sciences

 * The earliest ('s ) is made (approximate date).
 * This is also the approximate date of completition of 's monumental work . The cosmology contained in it holds sway for 1,400 years.
 * writes a work on (Μεταμορφωσεων Συναγωγη) (approximate date).
 * , made in, arrives in.

Births

 * ,  (approximate date)
 * , founder of "Great Vehicle" (approximate date)
 * , Chinese physician