answersLogoWhite

0


Want this question answered?

Be notified when an answer is posted

Add your answer:

Earn +20 pts
Q: Who first proposed the 4 colour theorem in 1852?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

When was the first telegraph in Australia?

1852 1852


What came first the disappearance of the whig party or the election of 1852?

The election of 1852.


Who was king of England in 1852?

Richerd the first


Who worked out that mount Everest was the tallest mountain in the world in 1852?

Radhanath Sikhdar was the first to calculate Mt. Everest in 1852.


When was gold first discovered in New Zealand?

1852.


When did First Russell ministry end?

First Russell ministry ended in 1852.


Which year India first postal ticket released?

1852


Who was the first man to fly a airship?

Henri Giffard, 1852.


Who invented the first gyroscope?

The first gyroscope was invented by French physicist Léon Foucault in 1852. Foucault's gyroscope was able to demonstrate the Earth's rotation.


Where was the first public flushing toilet placed?

it was placed in 1852 in London


Who made the first screened photosensitive metal plate invented?

1852


When was the Derringer invented by Henry Deringer?

His first model was produced in 1852.