In what year was the telephone first used in combat?

The first use of the telephone in combat occurred during the Spanish-American War in 1898. This conflict marked a significant moment in military communications, as the telephone allowed for more effective and immediate communication between commanders and their units on the battlefield. The introduction of the telephone represented a shift from traditional methods of communication, such as messengers or signal flags, to a more modern and reliable means of coordinating military operations. Utilizing the telephone enabled real-time information exchange, enhancing the efficiency of military strategies during the war.

This historic implementation laid the groundwork for future advancements in military communication technologies, influencing tactics in subsequent conflicts.