1090s ke ngwagasome tšhupamabakeng ya Gregorian wa go thoma ka 1 Pherekgong 1090 ya fela ka 31 Manthole 1099. Ngwagasome 1090s o wela ngwagengkgolo wa 11.
| Ngwagakete: | Ngwagakete 2 |
| Mengwagakgolo: | Ngwagakgolo 10 – Ngwagakgolo 11 – Ngwagakgolo 12 |
| Mengwagasome: | 1060s 1070s 1080s – 1090s – 1100s 1110s 1120s |
| Mengwaga: | 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 |
| 1090s-tšago tswalanya: |