<timeline> Define $ar = align:center Define $sr = shift: (30,-5) align:left Define $sl = shift: (-30,-4) align:right Define $fs = fontsize: 7 Define $end = 31/12/1951 Define $ini = 01/01/1890 .
DateFormat = dd/mm/yyyy ImageSize = width:800 height:425 Period = from:$ini till:$end TimeAxis = orientation:horizontal PlotArea = left:1 bottom:20 top:2 right:0 ScaleMajor = gridcolor:line unit:year increment:10 start:$ini ScaleMinor = gridcolor:liteline unit:year increment:1 start:$ini Legend = left:20 top:230 .