On October 8, 1842 US Navy Captain Lawrence Kearny sent a letter to the Viceroy of Liangjiang urging that American merchants in China be granted the same treaty privileges as the British. The negotiation would set the tone of US China relations for the next hundred years, and establish a still recognized principle in world trade-. It was an extraordinary act, given Kearney’s limited authority.
In September, 1918, two desperate battles unfolded over two consecutive days between lightly armed American Naval vessels and the same German Submarine.