On EUR-Lex, I need to find the 'Treaty establishing the European Economic Community (1957)'. Once found, I want to know its unique CELEX number. Additionally, please provide the 'Date of document', 'Date of effect', and 'Date of signature' from its official information page.
Navigate to the EUR-Lex homepage. Navigate to the 'Founding treaties' section, accessible via 'EU law' and then 'Treaties'. Locate the 'Treaty establishing the European Economic Community (1957)' in the list of founding treaties. Identify and extract its CELEX number. Click the CELEX number link for the 'Treaty establishing the European Economic Community (1957)' to go to its dedicated page. On the document's dedicated page, click on the 'Document information' link. On the 'Document information' page, locate the 'Dates' section. Extract and state the 'Date of document', 'Date of effect', and 'Date of signature' from this section.
Successfully navigate to the 'Founding treaties' page. Identify the CELEX number for the 'Treaty establishing the European Economic Community (1957)' as '11957E/TXT'. Successfully access the document's dedicated page via the CELEX number link. Successfully navigate to the 'Document information' section. State the 'Date of document' as '25/03/1957'. State the 'Date of effect' as '01/01/1958'. State the 'Date of signature' as '25/03/1957'.