150s

Decade 300 Burney MS 111 f105v-f106r Ptolemy's World Map 1420 crop 01.jpg Harvestermountainlord.jpg Ptolemy's Geographia is made around 150, the earliest known atlas; The La Mojarra Stela 1, dated to 156, is produced, one of the earliest known written records in Mesoamerica. 15 The 150s ran from January 1, 150, to December 31, 159. The Roman Empire was ruled by Antoninus Pius for the whole of this decade. The Roman Empire was relatively peaceful this decade, being in the middle of the Pax Romana and there being no major external wars. Claudius Ptolemy completed two major works this decade, the Geographia, the earliest known atlas, and the Almagest, a treatise accepted for over 1200 years. 15 Significant people Antoninus Pius, Roman Emperor (138–161) 15 References de Crespigny Rafe Rafe de Crespigny A Biographical Dictionary of Later Han to the Three Kingdoms 23-220 AD 2007 Brill Leiden 9789004156050