UnScramble this Word: s o m a b?

Questions

In 1986 Halley's Comet makes closest approach to ---------- this trip, 63 M km?

In 1991 UN Security Council issues formal cease fire with ---------- declaration?

In 1861 Fort Sumter, SC, shelled by ---------- troops under General Beauregard. The American Civil War begins.?

In 1930 Tiny ---------- , singer, born.?

In 1934 Highest velocity wind ever recorded on Mt Washington, ---------- mph.?