Answer:
I march before armies, a thousand salute me. My fall can bring victory, but no one would shoot me. The wind is my lover, one-legged am I. Name me and see me at home in the sky.
What comes once in a minute, twice in a moment, but never in a thousand years?
In your fire you hear me scream, creaking and whining, yet I am dead before you lay me in your hearth.
What doesn't get any wetter, no matter how much rain falls on it?
What stays on the ground but never gets dirty?
People take me on walks and I run and have fun. What am I?