Y Democratiaid Cymdeithasol (DU): Gwahaniaeth rhwng fersiynau

Cynnwys wedi'i ddileu Cynnwys wedi'i ychwanegu
→‎Cyfeiriadau: manion using AWB
B →‎top: canrifoedd a Delweddau, replaced: [[File: → [[Delwedd: using AWB
Llinell 3:
|name = Y Democratiaid Cymdeithasol
|colorcode = {{Social Democratic Party (UK)/meta/color}}
|logo = [[FileDelwedd:SDP Logo.png|center|200px|SDP logo]]
|founded = 26 Mawrth 1981<ref>http://news.bbc.co.uk/onthisday/hi/dates/stories/march/26/newsid_2531000/2531151.stm</ref>
|dissolved = 3 Mawrth 1988