useless trivia: What Word Means: A Fluid That Contains Sperm?

Questions

On This Day In January 1945 - Erskine Hawkins recorded "Tippin?

On This Day In January 1947 - The musical "Finian?

On This Day In January 1949 - Vinyl records were introduced by RCA (______ rpm) and Columbia (33.3 rpm.?

On This Day In January 1956 - Elvis Presley recorded his first songs as an RCA Victor artist in______ . Elvis recorded "Heartbreak Hotel," "I Was the One," "I?

On This Day In January 1978 - Howlin' Wolf died following ______ surgery in Chicago.?