* 1825 – Bolivia gains independence from Spain.

* 1754 – Pierre Charles L ' Enfant, French-American architect and engineer, planner of Washington, D. C. ( d. 1825 )

* 1890 – Alexander F. Mozhayskiy, Russian aviation pioneer ( b. 1825 )

In 1853, he married Jane Sym ( 1825 – 1893 ).

* 1825 – Uruguay declares its independence from Brazil.

* Alexander I of Russia ( 1777 – 1825 ), emperor of Russia

* Alexander I of Russia ( 1801 – 1825 ), Emperor of Russia

* 1825 – Portugal recognizes the Independence of Brazil.

* 1748 – Jacques-Louis David, French painter ( d. 1825 )

Their first child, Maria ( 1814 – 1825 ), was born after they moved to Hartshead.

In 1815, Patrick was appointed curate of the chapel in Thornton, near Bradford ; a second daughter, Elizabeth ( 1815 – 1825 ), was born shortly after.

* 1825 – István Türr, Hungarian soldier, architect, and engineer, co-designed the Corinth Canal ( d. 1908 )

At his memorial service on 22 June 1825 his own Requiem in C minor — composed in 1804 – was performed for the first time.

* 1825 – Johann Friedrich Pfaff, German mathematician ( b. 1765 )

During the period 1825 – 1863 a sheep market was held at a site in Castle Street, to stop the sale of sheep on the streets of the town.

* 1868 – Thomas D ' Arcy McGee, Irish Nationalist, journalist, and Father of Canadian confederation ( b. 1825 )

* Cisplatine War ( 1825 – 1828 ): Armed conflict over an area known as Banda Oriental or " Eastern Shore " between the United Provinces of the Río de la Plata and Empire of Brazil in the aftermath of the United Provinces ' emancipation from Spain.

The element was isolated independently by two chemists, Carl Jacob Löwig and Antoine Jerome Balard, in 1825 – 1826.

In the Karang Intan Agreement during the reign of Prince Nata Dilaga ( Susuhunan Nata Alam ) ( 1808 – 1825 ), the Banjar Kingdom gave up its territories to the Dutch Indies which included Bulungan, Kutai, Pasir, Pagatan and Kotawaringin.

# Maria Paola or Marie Pauline Bonaparte ( 1780 – 1825 ), married in 1797 to French general Charles Leclerc and later married Prince Camillo Borghese.

Spain and the Independence of Colombia, 1810 – 1825.

** Ferdinand I ( 1815 – 1825 )

** Francis I ( 1825 – 1830 )

* 1765 – Eli Whitney, American inventor ( d. 1825 )

* December 23 – Emperor Alexander I of Russia ( d. 1825 )

Nicholas I (, Nikolai I Pavlovich ; – ) was the Emperor of Russia from 1825 until 1855, known as one of the most reactionary of the Russian monarchs.

* 1 December 1825 – 2 March 1855: His Imperial Majesty The Emperor and Autocrat of All the Russias

* Emperor Nicholas I of Russia, who succeeded his brother Alexander I in 1825

* Grand Duchess Alexandra Nikolaevna of Russia ( 1825 – 1844 ), daughter of Emperor Nicholas I, first wife of Frederick, Landgrave of Hesse

* Nicholas I of Russia ( 1796 – 1855 ), Emperor of Russia from 1825 – 1855

Citizen Emperor: Pedro II and the Making of Brazil, 1825 – 1891.

* Pedro II of Brazil ( 1825 – 1891 ), second and last Emperor of Brazil

Emperor Pedro's next son, born in 1825, received no title from Portugal.

The fame of the lakeside town became known well outside the borders of the Kingdom of Lombardy – Venetia: even the Emperor Francis I of Austria wished to visit it in 1816 and returned in 1825 to stay in the Villas Serbelloni, Trotti and Melzi.

* Nicholas I of Russia ( 1796 – 1855 ), or I, the Emperor of Russia from 1825 until 1855

* In 1825, during the reign of Emperor Minh Mạng, Bình Thuận officially became a province ; part of Phan Thiết was made into the district of Hàm Thuận.

His Majesty the King of the United Kingdom of Great Britain and Ireland and of the British Dominions beyond the Seas, Emperor of India, and the United States of America, equally desirous for the friendly and final adjustment of the differences which exist between them in respect to the true meaning and application of certain clauses of the Convention between Great Britain and Russia, signed under date of the 28 ( 16 February ), A. D. 1825, which clauses relate to the delimitation of the boundary line between the territory of Alaska, now in possession of the United States, and the British possessions in North America, have resolved to provide for the submission of the questions as hereinafter stated to a Tribunal and to that end have appointed their respective Plenipotentiaries, as follows.

* John VI of the United Kingdom of Portugal, Brazil and Algarves was styled His Imperial and Royal Majesty, from 1825, when Portugal and Brazil signed the Treaty of Rio de Janeiro, recognizing the Brazilian independence but granting John VI as the titular Emperor of Brazil, until 1826, when he died.

By the end the 19th century, reflecting the personal preferences of Emperor Dom Pedro II ( 1825 – 1891 ), the National Museum started to invest in the areas of the anthropology, paleontology and archaeology.

* Dom Pedro II ( Peter II ; 1825 – 1891 ), Emperor of Brazil following his father Pedro IV ( Peter IV ) of Portugal ( I of Brazil ).

Gugsa of Yejju ( died 23 May 1825 ) was a Ras of Begemder ( circa 1798 until his death ), and Inderase ( regent ) of the Emperor of Ethiopia.

He popularized the word kokutai in his 1825 Shinron ( 新論 " New Theses "), which also introduced the term Sonnō jōi (" revere the Emperor, expel the barbarians ").