Unverified50% confidenceFactExact time
1949年苏联成功试爆第一颗原子弹
1
Sources
50%
Confidence
Long-term
Relevance
8/5/2026
First Seen
Sources
Cite This Claim
Stable URI
https://kongchang.com/claim/688987API
curl https://kongchang.com/api/v1/knowledge/claims/688987MCP
get_claim(id=688987)