1721 (MDCCXXI) was a common year starting on Wednesday of the Gregorian calendar and a common year starting on Sunday of the Julian calendar, the 1721st year of the Common Era (CE) and Anno Domini (AD) designations, the 721st year of the 2nd millennium, the 21st year of the 18th century, and the 2nd year of the 1720s decade.

Historical events from year 1721. Learn about 13 famous, scandalous and important events that happened in 1721 or search by date or keyword.

This information was collected as part of a lifelong project to create a historical timeline by E. McNally. The rest of the timeline can be found here: https://archive.org/details/emcnallychronology. Unordered events occurring during the year of …

1721 (MDCCXXI) was a common year starting on Wednesday of the Gregorian calendar and a common year starting on Sunday of the Julian calendar, the 1721st year of the Common Era (CE) and Anno Domini (AD) designations, the 721st year of the 2nd millennium, the 21st year of the 18th century, and the 2nd year of the 1720s decade.

9月10日 —— 尼斯塔德和约， 瑞典 割让 大北方战争 中除 芬兰 外， 俄罗斯帝国 在 波罗的海 所占领的土地（立窝尼亚 、 爱沙尼亚 、 卡累利亚）， 三十年战争 以来的优势尽失， 俄罗斯帝国 则取得 波罗的海 出海口，成为 欧洲 列强之一。 彼得一世正式废除主教制度，以“神圣宗教会议”取而代之。 台湾 朱一贵 抗 清。 罗伯特·沃波尔 任 英国 首席财政大臣 （1885年改称 首相），任内确立 内阁 负责制度，形成 西敏制，不列颠国王逐渐成为 虚位君主。 清康熙皇帝钦定的《数理精蕴 …

1700 AD Great Northern War -A war breaks out that became known as the Great Northern War. Russia, Poland and Denmark join forces to oppose Sweden. Both Danish and Saxon troops invade Sweden. Charles XII, leading Sweden responded by landing troops in Zeeland and forcing Denmark to withdraw from the alliance.

1721年9月10日，俄罗斯帝国与瑞典王国签订尼斯塔德不平等条约。 沙俄为了夺取波罗的海的出海口及与瑞典争雄，于1700年8月正式向瑞典宣战，展开了为时二十年的大北方战争。

1721 Sweden makes peace with Russia, recognizing territory lost to Russia. Russia is now the dominant power in the Baltic region. Peter the Great declares himself an emperor. 1721 Mongols invade Tibet and sack Lhasa. A military force sent by the Qing emperor, Kangxi, is hailed as liberators, It drives the Mongols out and re-establishes Qing ...

were James, b. 9 Oct. 1721, d. Ap. 1722; James, bap. 27 Jan. 1722-3. James the f. was a tanner, and bought 2 Oct. 1714 the estate formerly owned by Christopher Read (1), which had previously passed through several hands.

2013年1月1日 · In this study, we carried out a petrological study on the basalts from the 1719 to 1721 AD eruption period of the Wudalianchi volcanoes. To test the SCLM origin hypothesis for the Wudalianchi basalts, we estimated temperatures of the magmas by studying the petrological features of the basalts and performing thermodynamic analyses.