CHRONOLOGY 



451 



SCIENCE 



GENERAL HISTORY, LITERATURE, 

 ART, ETC. 



98-55. Lucretius, 

 c. 70- Geminus. 



c. 63 B.C.-24A.D. 



Strabo. 

 Varro. 



47. Julian Calendar. 



14. Vitruvius. De Archi- 



tectura. 



c. 75. 



% c. 130. 

 <3 c. 140. 

 c. 140. 



|> c. 250. 

 c. 300. 



c. 370. 



106-43. Cicero. 

 102-44. Caesar. 



59 B.C.-17 A.D. 



Livy. 

 54 B.C.-39 A.D. 



Seneca. 



47. Ccesar takes Alexandria. 



39. Pollio founds First 



Public Library. 



27. End of Roman Republic. 



Golden Age of Roman 

 Literature. (Horace, 

 Virgil, Livy, etc.) 



Nicomachus. 



23-79. Pliny, 

 c. 40-103. Frontinus. 



Hero. 



Galen. 



Ptolemy. (Almagest.) 



Theon of Smyrna. 



Diophantus. 

 Pappus. 



272-337. Constantino (First 

 Christian Emperor). 



Theon of Alexandria. 



354-430. St. Augustine. 



