1993 Event English mathematician Andrew Wiles proves last theorem of Fermat 1665 Death Pierre de Fermat, French mathematician (Fermat therorem), dies at 63 1665 Birthday Pierre de Fermat, French lawyer/mathematician 1665 Death Pierre de Fermat, French lawyer/mathematician (principle of F), dies at 63 1640 Event Pierre de Fermat writes to Marin Mersenne about Fermat's church thesis