Timeline
This is a rough Estimation of important dates in the Kerbal Space Program Universe. Many of these dates & events are only rough estimates at what would be true, some based on real-world times & events, but it could be useful for campaigns & other things of the sort.
Pre-1950
1903: Wernher von Kerman's great grandfather, Demitriov von Kerman, wrote The exploration of Kerbal space by large explosives, theorising realistic space travel
1914: Peyton Kerman Creates katent on multi-stage & Liquid fueled rockets
1919: Peyton Kerman writes: A way of getting really high, discussing how to reach high altitudes using solid & liquid fueled rockets
1924: Demitriov von Kerman founds the place to talk about space society in Kussia
1926: Peyton Kerman launches first ever liquid fueled rocket
1927: Place for space founded in Kermany
1927: Konquering Space written, discussed orbital mechanics including gravitational slingshot
1928: Space problems written, discussing scientific advantages from space travel
1929: Wernher von-baun Kerman (Wernher von kerman's father) launches his first liquid rocket
1931: Wernher von-baun Kerman develops first liquid-powered military rocket
1933: Demitriov von Kerman begins work on Krete rockets, which leads to K2 rockets
1933: Demitriov von Kerman launches first Koviert liquid-fueled rocket
1935: Peyton Kerman creates first scientific rocket
1942: Wernher von-baun Kerman launches first rocket to cross the Kuter line, 100km above Kerbin's surface