1778

1778 (MDCCLXXVIII) was a common year starting on Thursday of the Gregorian calendar and a common year starting on Monday of the Julian calendar, the 1778th year of the Common Era (CE) and Anno Domini (AD) designations, the 778th year of the 2nd millennium, the 78th year of the 18th century, and the 9th year of the 1770s decade. As of the start of 1778, the Gregorian calendar was 11 days ahead of the Julian calendar, which remained in localized use until 1923.

Millennium:	2nd millennium
Centuries:	17th century – 18th century – 19th century
Decades:	1740s  1750s  1760s  – 1770s –  1780s  1790s  1800s
Years:	1775 1776 1777 – 1778 – 1779 1780 1781

1778 in other calendars

Gregorian calendar	1778 MDCCLXXVIII
Ab urbe condita	2531
Armenian calendar	1227 ԹՎ ՌՄԻԷ
Assyrian calendar	6528
Balinese saka calendar	1699–1700
Bengali calendar	1185
Berber calendar	2728
British Regnal year	18 Geo. 3 – 19 Geo. 3
Buddhist calendar	2322
Burmese calendar	1140
Byzantine calendar	7286–7287
Chinese calendar	丁酉年 (Fire Rooster) 4474 or 4414     — to — 戊戌年 (Earth Dog) 4475 or 4415
Coptic calendar	1494–1495
Discordian calendar	2944
Ethiopian calendar	1770–1771
Hebrew calendar	5538–5539
Hindu calendars
- Vikram Samvat	1834–1835
- Shaka Samvat	1699–1700
- Kali Yuga	4878–4879
Holocene calendar	11778
Igbo calendar	778–779
Iranian calendar	1156–1157
Islamic calendar	1191–1192
Japanese calendar	An'ei 7 (安永７年)
Javanese calendar	1703–1704
Julian calendar	Gregorian minus 11 days
Korean calendar	4111
Minguo calendar	134 before ROC 民前134年
Nanakshahi calendar	310
Thai solar calendar	2320–2321
Tibetan calendar	阴火鸡年 (female Fire-Rooster) 1904 or 1523 or 751     — to — 阳土狗年 (male Earth-Dog) 1905 or 1524 or 752

Events

• The term thoroughbred was first used in the United States in an advertisement in a Kentucky gazette to describe a New Jersey stallion called Pilgarlick.
• January 18 – Third Pacific expedition of Capt. James Cook, with ships HMS Resolution and HMS Discovery, first see O'ahu then Kaua'i in the Hawaiian Islands, which he names the "Sandwich Islands".
• February 5 – South Carolina becomes the first state to ratify the Articles of Confederation.
• February 6 – American Revolutionary War: In Paris the Treaty of Alliance and the Treaty of Amity and Commerce are signed by the United States and France beginning official recognition of the new republic.
• February 23 – American Revolutionary War: Baron von Steuben arrives at Valley Forge, Pennsylvania and begins to train the Continental Army.
• July 10 – American Revolutionary War: Louis XVI of France declares war on the United Kingdom of Great Britain.
• July 27 – American Revolution: First Battle of Ushant – British and French fleets fight to a standoff.
• August 26 – Triglav, at 2,864 metres above sea level the highest peak of Slovenia, was ascended for the first time by four brave men: Luka Korošec, Matevž Kos, Štefan Rožič and Lovrenc Willomitzer on Sigismund Zois's initiative.
• September – The Massachusetts Banishment Act, providing punishment for Loyalists, is passed.
• November 26 – In the Hawaiian Islands, Captain James Cook becomes the first European to discover Maui.
• France introduced the first state-controlled brothel.
• The first settlement was made in the area of what is now Louisville, Kentucky by 13 families under Col. George Rogers Clark.
• Phillips Academy, the most prestigious secondary boarding school in the United States, was founded by Samuel Phillips Jr.

Births

for more information, see Category:1778 births.

Deaths

for more information, see Category:1778 deaths.