There is a list of the multilateral treaties to be highlighted at the 2019 Treaty Event by the United Nations:                        

Human Rights:  

1. International Covenant on Economic, Social and Cultural Rights (New York, 16 December 1966)

2. Optional Protocol to the International Covenant on Economic, Social and Cultural Rights (New York, 10 December 2008)

3. International Covenant on Civil and Political Rights (New York, 16 December 1966)

4. Optional Protocol to the International Covenant on Civil and Political Rights (New York, 16 December 1966)

5. Second Optional Protocol to the International Covenant on Civil and Political Rights, aiming at the abolition of the death penalty (New York, 15 December 1989)

6. Convention on the Elimination of All Forms of Discrimination against Women (New York, 18 December 1979)

7. Convention on the Rights of the Child (New York, 20 November 1989)

8. Optional Protocol to the Convention on the Rights of the Child on the involvement of children in armed conflict (New York, 25 May 2000)

9. Optional Protocol to the Convention on the Rights of the Child on the sale of children, child prostitution and child pornography (New York, 25 May 2000)

10. Optional Protocol to the Convention on the Rights of the Child on a communications procedure (New York, 19 December 2011)

Environment 

11. Paris Agreement (Paris, 12 December 2015)

12. United Nations Convention to Combat Desertification in those Countries Experiencing Serious Drought and/or Desertification, Particularly in Africa (Paris, 14 October 1994)

13. Regional Agreement on Access to Information, Public Participation and Justice in Environmental Matters in Latin America and the Caribbean (Escazú, 4 March 2018)

14. Convention on the Law of the Non-Navigational  Uses  of  International  Watercourses  (New York, 21 May 1997)

Disarmament 

15. Convention on Prohibitions or Restrictions on the Use of Certain Conventional Weapons which may be deemed to be Excessively Injurious or to have Indiscriminate Effects (with Protocols I, II and III) (Geneva, 10 October 1980)

16. Additional Protocol to the Convention on Prohibitions or Restrictions on the Use of Certain Conventional Weapons which may be deemed to be Excessively Injurious or to have Indiscriminate Effects (Protocol IV, entitled Protocol on  Blinding  Laser  Weapons) (Vienna, 13 October 1995)

17. Protocol on Prohibitions or Restrictions on the Use of Mines, Booby-Traps and Other Devices as amended on 3 May 1996 (Protocol II, as amended on 3 May 1996) annexed to the Convention on Prohibitions or Restrictions on the Use of Certain Conventional Weapons which may be deemed to be Excessively Injurious or to have Indiscriminate Effects (Geneva, 3 May 1996)

18. Amendment to Article I of the Convention on Prohibitions or Restrictions on the Use of Certain Conventional Weapons which may be deemed to be Excessively Injurious or to have Indiscriminate Effects (Geneva, 21 December 2001)

19. Protocol on Explosive Remnants of War to the Convention on Prohibitions or Restrictions on the Use of Certain Conventional Weapons which may be deemed to be Excessively Injurious or to have Indiscriminate Effects (Protocol V) (Geneva, 28 November 2003)

20. Comprehensive Nuclear-Test-Ban Treaty (New York, 10 September 1996)

21. Convention on the Prohibition of the Use, Stockpiling, Production and Transfer of Anti- Personnel Mines and on their Destruction (Oslo, 18 September 1997)

22. Convention on Cluster Munitions (Dublin, 30 May 2008)

23. Arms Trade Treaty (New York, 2 April 2013)

24. Treaty on the Prohibition of Nuclear Weapons (New York, 7 July 2017)

Penal Matters 

25. Protocol to Prevent, Suppress and Punish Trafficking in Persons, Especially Women and Children, supplementing the United Nations Convention against Transnational Organized Crime (New York, 15 November 2000)

26. International Convention for the  Suppression of  Acts  of  Nuclear Terrorism (New York,  13 April 2005)

Transportation 

27. Convention on Road Traffic (Vienna, 8 November 1968)

28. Convention on Road Signs and Signals (Vienna, 8 November 1968)

29. Agreement concerning the Establishing of Global Technical Regulations for Wheeled Vehicles, Equipment and Parts which can be fitted and/or be used on Wheeled Vehicles (Geneva, 25 June 1998)

30. European Agreement concerning the International Carriage of Dangerous Goods by Road (ADR) (Geneva, 30 September 1957)

31. Convention on the Facilitation of Border Crossing Procedures for Passengers, Luggage and Load-luggage Carried in International Traffic by Rail (Geneva, 22 February 2019)

Commercial Arbitration and Mediation 

32. United Nations Convention on International Settlement Agreements Resulting from Mediation (New York, 20 December 2018)   For more information please visit: https://treaties.un.org/doc/source/events/2019/Treaties/treaties_english.pdf