Births on June 27

Augustus De Morgan

Born on June 27, 1806

Augustus De Morgan, English mathematician and logician (d. 1871)

Augustus De Morgan (27 June 1806 – 18 March 1871) was a British mathematician and logician. He formulated De Morgan's laws and introduced the term mathematical induction, making its idea rigorous.

References

Augustus De Morgan

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Events on 1806

23 Mar

Corps of Discovery
After traveling through the Louisiana Purchase and reaching the Pacific Ocean, explorers Lewis and Clark and their "Corps of Discovery" begin their arduous journey home.
27 Jun

British invasions of the River Plate
British forces take Buenos Aires during the first British invasions of the River Plate.
12 Aug

British invasions of the River Plate
Santiago de Liniers, 1st Count of Buenos Aires re-takes the city of Buenos Aires, Argentina after the first British invasion.
8 Oct

Congreve rocket
Napoleonic Wars: Forces of the British Empire lay siege to the port of Boulogne in France by using Congreve rockets, invented by Sir William Congreve.
9 Oct

War of the Fourth Coalition
Prussia begins the War of the Fourth Coalition against France.

Births on June 27

Augustus De Morgan

Born on June 27, 1806

References

Choose Another Date

Events on 1806

Corps of Discovery

British invasions of the River Plate

British invasions of the River Plate

Congreve rocket

War of the Fourth Coalition