Point of Divergence

How was it that on 26th June 1990 in Saddam Husseins office high above Baghdad our universe was split into two parallel universes. How may our team persuade DFID, (Uks Ministry for International Development), to fund an attempt to bridge the gap between the two universes, to squirrel three people through the hole, and to try to rescue the other universe from an unspeakable tyranny driven by technology. How will the Lord Tite-Barnacle, directly descended from Dickens hero, dive from one to the other in 2019. How will he find his true love? Or lose her?