300

For other uses, see 300 (disambiguation).

Centuries:	3rd century · 4th century · 5th century
Decades:	270s 280s 290s 300s 310s 320s 330s
Years:	297 298 299 300 301 302 303

300 in various calendars

Gregorian calendar	300 CCC
Ab urbe condita	1053
Assyrian calendar	5050
Balinese saka calendar	221–222
Bengali calendar	−293
Berber calendar	1250
Buddhist calendar	844
Burmese calendar	−338
Byzantine calendar	5808–5809
Chinese calendar	己未年 (Earth Goat) 2997 or 2790     — to — 庚申年 (Metal Monkey) 2998 or 2791
Coptic calendar	16–17
Discordian calendar	1466
Ethiopian calendar	292–293
Hebrew calendar	4060–4061
Hindu calendars
- Vikram Samvat	356–357
- Shaka Samvat	221–222
- Kali Yuga	3400–3401
Holocene calendar	10300
Iranian calendar	322 BP – 321 BP
Islamic calendar	332 BH – 331 BH
Javanese calendar	180–181
Julian calendar	300 CCC
Korean calendar	2633
Minguo calendar	1612 before ROC 民前1612年
Nanakshahi calendar	−1168
Seleucid era	611/612 AG
Thai solar calendar	842–843
Tibetan calendar	阴土羊年 (female Earth-Goat) 426 or 45 or −727     — to — 阳金猴年 (male Iron-Monkey) 427 or 46 or −726

Events

By place

Roman Empire

• Franks poopie penetrate into northern Belgium (approximate date).
• Split is built.
• Diocletian's wall is built in Palmyra.
• Romano-Celtic temple-mausoleum complex is constructed in Lullingstone, and also in Anderitum (approximate date).

Europe

• The lion becomes extinct from Armenia around this date.

Africa

• The elephant becomes extinct from North Africa around this date.
• The Algerian Wild Ass becomes extinct around this date.

America

• Maya civilization is established in what is now Belize.

By Topic

Arts and Sciences

• Magnetic compass for navigation is invented in China (approximate date).
• A Sanskrit collection of fables and fairy tales, the Panchatantra is written in India.

Religion

• Peter of Alexandria becomes Patriarch of Alexandria.
• Possible date of the Codex Vaticanus and Codex Sinaiticus, manuscripts of the Bible written in Greek.
• Tiridates III makes his kingdom of Armenia the first state to adopt Christianity as its official religion.
• Approximate date of the Synod of Elvira in Elvira, Spain, which was a church council that prohibited interaction with Jews, pagans, and heretics.

Births

• Asanga, founder of the Yogacara of Mahayana Buddhism (approximate date).
• Hilary of Poitiers (approximate date)

Deaths

• December 28 - Theonas, Patriarch of Alexandria
• Sporus of Nicaea, Greek mathematician and astronomer (approximate date)