1. Countries

2. Parties

3. Internationals

1st Congress may refer to:

Countries

• 1st United States Congress
• First Continental Congress
• 1st National People's Congress
• 1st Congress of the Philippines

Parties

• 1st Congress of the Russian Social Democratic Labour Party
• 1st Congress of the Lao People's Revolutionary Party
• 1st Congress of the Communist Party of Cuba
• 1st Congress of the Workers' Party of North Korea
• 1st National Congress of Kuomintang
• 1st National Congress of the Communist Party of China
• 1st National Congress of the Communist Party of Vietnam

Internationals

• Geneva Congress (1866), the 1st Congress of the First International
• International Socialist Workers Congress of Paris, the 1st Congress of the Second International
• First International Syndicalist Congress
• 1st Congress of the Comintern

• Leytonstone/Ilford F.C.
• Leytonstone, London, England
• Leytonstone tube station
• Leyton tube station
• Lezajsk
• Lezajsk County
• Lezaky
• Lezek
• Leze majesty
• Lezennes
• Lezgi
• Lezgian
• Lezgian language
• Lezgians
• Lezgin
• Lezgin language
• Lezgins
• Lezgi People
• Lezgs
• Lezh
• Lezha
• Lezhe
• Lezhë
• Lezhë County
• Lezhë District