useless trivia: What Word Means: The Ruling Planet In A Horoscope?

Questions

First synthetic rubber tire exhibited Akron, OH.?

First B-29 bombing raid one plane lost; engine failure.?

Israel, Syria, Jordan, Iraq, and Egypt begin Six-Day War.?

Sen. Robert F. Kennedy assassinated at the Ambassador Hotel in Los Angeles (by Sirhan Sirhan) after winning the Democratic Primary.?

Suez Canal reopens (after 6 Day War caused it to close).?