Łęg Wielki was formerly part of the German Empire. In the German Empire, the place was called Łęg Wielki.
The place is now called Łęg Wielki and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Leg Wielki | Russian Empire | Turek | 1914 |
| Łęg Wielki | Poland | Koło | 1921 |
| Łęg Wielki | German Empire | Turek | 1939 |
| Łęg Wielki | Poland | Turek | 1945 |
| Łęg Wielki | Poland | Konin | 1992 |