"On 20 March 1886 William Stanley provided alternating current electrification to offices and stores on Main Street in Great Barrington, Massachusetts.
Circuit

YearAdded:
Image Caption: Alternating Current ElectrificationEra_date_from: 1886
2004

"SPICE (Simulation Program with Integrated Circuit Emphasis) was created at UC Berkeley as a class project in 1969-1970. It evolved to become the worldwide standard integrated circuit simulator. SPICE has been used to train many students in the intricacies of circuit simulation.
YearAdded:
Image Credit: Courtesy UCLAImage Caption: Birthplace of the SPICE Circuit Simulation ProgramEra_date_from: 1969
2011