1823
ID: 751
Niels Henrik Abel proves impossibility of solving quintic equations by radicals - fundamental limitations
ID: 751
1823
ID: 752
Charles Babbage begins designing Difference Engine - first attempt to mechanize mathematical calculation
ID: 752
1823
ID: 753
Charles Macintosh begins commercial production of waterproof fabric - first rubberized textile
ID: 753
1823
ID: 750
August 20, 1823
Pope Pius VII dies
ID: 750
1823
ID: 749
September 28, 1823
Pope Leo XII elected, reversing many liberal reforms of previous pontificate
ID: 749