This property describes the temporal projection of an instance of an E92 Spacetime Volume. The property P4 has time-span is the same as P160 has temporal projection if it is used to document an instance of E4 Period or any subclass of it.
the spatio-temporal trajectory of the H.M.S. Temeraire from its building in 1798 to its destruction in 1838 (E5) has temporal projection The Time-Span of the existence of H.M.S. Temeraire [at some time within (P82)1798-1838 (E61)] (Willis, 2010)
The Battle of Waterloo 1815 (E7) has temporal projectionthe time-span of The Battle of Waterloo [at some time within (P82)Sunday, 18 June 1815 (E61)] (Black, 2010)