His reign started in 876 and ended in 884.

His reign started in 661 and ended in 671.

His reign started in 1180 and ended in 1185.

According to Igbo oral tradition, his reign started in 1043.

Since their reign had started in 1225, the period around 1230 is considered the founding period of Berlin.

His reign started in 781 and ended in 806.

His reign started in September 1339 and ended on 29 March 1368.

His reign started on December 25, 1926 and ended with his death in 1989.

This supposed date was designed that the year 2500 would fall on 1941, the year when his own reign started.

Sigfred was possibly the second official king of Denmark whose reign started no later than the 770s and ended around 800.