1869
ID: 376
Jevons constructs his 'logical piano', a mechanical device for solving problems in Boolean logic - first logic machine
ID: 376
1869
ID: 966
First issue of Nature journal proclaims worship of Nature - She is all things...omnipotent
ID: 966
1869
ID: 967
Anti-vaccination journal The Anti-Vaccinator founded
ID: 967
1869
ID: 968
Dmitri Mendeleev creates periodic table using mathematical patterns in atomic weights
ID: 968
1869
ID: 969
John Wesley Hyatt begins commercial production of celluloid for billiard balls
ID: 969
1869
ID: 971
Pope Pius IX convenes First Vatican Council
ID: 971
1869
ID: 2350
Debtors Act abolishes imprisonment for debt in England - except for deliberate refusal to pay when able
ID: 2350
1869
ID: 5590
Moltke develops Vernichtungsgedanke (annihilation concept) - strategic encirclement to destroy enemy armies, not just defeat them
ID: 5590
1869
ID: 5591
Moltke introduces staff rides - officers study actual terrain where battles might occur, practicing reconnaissance and planning
ID: 5591
1869
ID: 970
August 1869
Mrs. Anne Sipple imprisoned 7 days hard labor with 18-month infant on bread and water
ID: 970