Nikola Tesla's work had significant historical significance on electricity, particularly in developing alternating current (AC) systems. His innovations, including the Tesla coil and induction motor, revolutionized how power is transmitted and distributed. Tesla's vision for wireless communication and energy transmission anticipated many modern technologies. His inventions facilitated the electrification of cities and transformed the global economy. Tesla's contributions continue to influence electrical engineering, highlighting the importance of innovation in shaping the future of energy and technology.