240

Years: 236 237 238 239 - 240 - 241 242 243 244

Decades: 210s 220s 230s - 240s - 250s 260s 270s

Centuries: 2nd century - 3rd century - 4th century

Events

• Maharaja Sri-Gupta, becomes Emperor of Gupta

Births

• Sporus of Nicaea, Greek mathematician and astronomer (approximate date)
• Cao Mao, emperor of the Kingdom of Wei (approximate date)

Deaths

• Ammonius Saccas, Neoplatonic philosopher (approximate date)
• Tertullian, Christian writer (approximate date)

In other fields

• 240 is the area code for telephone numbers in the United States State of Maryland. It is overlaid by area code 301. It touches the 202 area code of Washington, DC, the 717, 724, 814, and 878 area codes in the Commonwealth of Pennsylvania, as well as the 540, 571, 703, 751 and 804 area codes in the Commonwealth of Virginia. Other area codes in Maryland are 227, 410, 443, and 667.