Chemical weapons in World War I volatile oily liquid. It was introduced as a vesicant by Germany in July 1917 prior to the Third Battle of Ypres. The Germans marked their shells yellow for mustard gas and green for chlorine and phosgene; hence they called the new gas "Yellow Cross". It was known to the British as "HS" ("Hun Stuff"), and the French called it "Yperite" (named after Ypres). Mustard gas is not an effective killing agent (though in high enough doses it is fatal) but can be used to harass and disable the enemy and pollute the battlefield. Delivered in artillery shells, mustard gas was
Should've Known Better (Richard Marx song) lyrics, the speaker is still in love with an ex-lover and tortured by it, to the point of regretting falling in love with them. The music video for the selection was directed by Dominic Sena. Released in September 1987 as the second single from his debut solo album, "Should've Known Better" entered the U.S. "Billboard" Hot 100 on September 26, 1987 at number 64, the highest debut of the week. The single also peaked at number 20 on the U.S. Adult Contemporary chart. The song also reached #4 on the Radio & Records CHR/Pop Airplay chart on November 20, 1987