| Query | User |
|---|---|
| chernobyl blast history | entered by user 9590313 |
| siege of leningrad | entered by user 1306247 |
| solidarity in poland | entered by user 2395056 |
| soviet union dissolves | entered by user 2682988 |
| surveillance liquidation | entered by user 14563938 |
| us and solidarity in poland | entered by user 18031526 |