2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/2612SGR 1900+14 had a brief episode of exceedingly rapid spindown immediately following its 1998 Aug. 27 superburst. On a timescale of hours, it increased its period by a part in 10^4. The corresponding Pdot ~ 10^{-8} is orders of magnitude higher than the typical quiescent rate of Pdot ~ 6x10^{-11}.Submitted to Mem.S.A.It. for inclusion in the proceedings of 'Soft Gamma Repeaters: The Rome 2001 Mini-Workshop'. (6 pages, requires memsait.sty, included)Astrophysicstext