Edison Lights the World: Incandescent Light Debuts
Thomas Edison flipped a switch at his Menlo Park laboratory and flooded the night with electric light, instantly proving that indoor illumination could replace gas lamps. This demonstration launched the global electrical utility industry, driving cities to build power grids and fundamentally extending productive hours for factories and homes.
December 31, 1879
147 years ago
Key Figures & Places
What Else Happened on December 31
A coalition of Vandals, Alans, and Suebians shattered the frozen Rhine, surging into Gaul to dismantle Roman authority in the West. This breach proved irreversi…
Belisarius took Syracuse without a siege. The Ostrogothic garrison saw his fleet, counted the soldiers, and simply surrendered the keys. He'd conquered the enti…
Vikings crash into Berkshire's forces at Englefield, only to stumble back toward Reading after Æthelwulf's men slaughter many Danes. This sharp defeat buys Wess…
Henry IV surrendered his crown at Ingelheim after his own son, Henry V, led a successful rebellion against him. This forced abdication ended the elder Henry’s d…
The boy emperor Tran Thai Tong took the Vietnamese throne through marriage to the last Ly monarch, ending 216 years of Ly Dynasty rule. The new Tran Dynasty wou…
The Muslim defenders had held out for three months behind Palma's walls. When they finally opened the gates on December 31, James I rode in with 16,000 men — ne…
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