Hereward's birth is conventionally dated as 1035/6 because the 'Gesta Herewardi' indicates that he was first exiled in 1054 at the age of 18 .

The date when Æthelweard became king is uncertain, but it is conventionally dated to the middle or late 840s.

The beginning of the era of the Khmer Empire is conventionally dated to 802 AD.

The inscriptions are conventionally dated to the second millennium BC, probably between the 18th and 15th centuries BC.

The duration of the Troubles is conventionally dated from approximately 1968 to the signing of the Belfast Agreement in 1998.

Hereward's birth is conventionally dated as 1035/6 because the Gesta Herewardi indicates that he was first exiled in 1054 in his 18th year.

Although they overlap in time, they are conventionally dated from 1580 to 1630, from 1630 to 1680, and from 1680 to 1730.

But the play's stylistic similarities with A Midsummer Night's Dream and other plays conventionally dated around 1594-95, place its composition sometime between 1591 and 1595.

It is conventionally dated between 4400-4100 BC, that is, contemporary with Karanovo in the South.

The foundation by Count Ricdag of the first religious house at Lamspringe for canonesses is conventionally dated at 847.