Capitals Primary LogoCapitals Alternate LogoCapitals Wordmark LogoEstablished 1974 City Washington D.C. League History 1974 – Present / National Hockey League Team History 1974 – Present / Washington Capitals Nickname Capitals – The Washington Capitals are a National Hockey League (NHL) team based in the nation’s capital. The franchise was founded in 1974, and since then, they have become one of …