85 BC

Food & agriculture

Gaius Sergius Orata develops a system for heating seawater by circulating hot air beneath tanks. Its purpose is to promote faster growth in oysters that he then sells to wealthy Romans. See also 80 bce Energy.

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Millennium:	1st millennium BC
Centuries:	2nd century BC – 1st century BC – 1st century
Decades:	110s BC  100s BC  90s BC  – 80s BC –  70s BC  60s BC  50s BC
Years:	88 BC 87 BC 86 BC – 85 BC – 84 BC 83 BC 82 BC

85 BC by topic

Politics

State leaders – Sovereign states

Birth and death categories

Births – Deaths

Establishments and disestablishments categories

Establishments – Disestablishments v • d • e

85 BC in other calendars

Gregorian calendar	85 BC
Ab urbe condita	669
Armenian calendar	N/A
Bahá'í calendar	-1928 – -1927
Bengali calendar	-677
Berber calendar	866
Buddhist calendar	460
Burmese calendar	-722
Byzantine calendar	5424 – 5425
Chinese calendar	[[Sexagenary cycle|]]年 (2552/2612) — to — [[Sexagenary cycle|]]年 (2553/2613)
Coptic calendar	-368 – -367
Ethiopian calendar	-92 – -91
Hebrew calendar	3676 – 3677
Hindu calendars
- Vikram Samvat	-29 – -28
- Shaka Samvat	N/A
- Kali Yuga	3017 – 3018
Holocene calendar	9916
Iranian calendar	706 BP – 705 BP
Islamic calendar	728 BH – 727 BH
Japanese calendar
Korean calendar	2249
Thai solar calendar	459
v • d • e

Year 85 BC was a year of the pre-Julian calendar.

Events

By place

Rome

• First Mithridatic War—Lucius Cornelius Sulla again defeats Archelaus in the decisive Battle of Orchomenus.

Births

• Marcus Junius Brutus, conspirator and assassin in the murder of Julius Caesar (approximate date) (d. 42 BC)
• Atia Balba Caesonia, niece of Julius Caesar and mother of Augustus (d. 43 BC)
• Tiberius Nero, father of Tiberius (d. 33 BC)

Deaths

• Gaius Julius Caesar the Elder (b. c. 140 BC)

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