firstSupersonicFlightDate
3
triples
GPTKB property
Random triples
| Subject | Object |
|---|---|
| gptkb:Bell_X-1 | 1947-10-14 |
| gptkb:Bell_X-1_(aircraft) | 1947-10-14 |
| gptkb:Bell_X-1_series | October 14, 1947 |