What ? could you reword this
J. J. Thomson, who discovered the electron in 1897, proposed the plum pudding model of the atom in 1904 before the discovery of the atomic nucleus in order to include the electron in the atomic model.
In Thomson's model, the atom is composed of electrons. Thomson had discovered that atoms are composite objects, made of pieces with positive and negative charge, and that the negatively charged electrons within the atom were very small compared to the entire atom.
If you are looking for when Alexander the great died, it is June 323 BC.
If you are looking for who killed Alexander the great, That my friend is a mystery.
Answer:
Ferdinand Magellan
Explanation:
Ferdinand Magellan (1480–1521) was a Portuguese explorer who is credited with masterminding the first expedition to circumnavigate the world. Magellan was sponsored by Spain to travel west across the Atlantic in search of the East Indies.