The annual observance of Disarmament Week begins on the anniversary of the founding of the United Nations, was called for to highlight the danger of the arms race, propagate the need for its cessation and increase public understanding of the urgent tasks of disarmament.
http://www.un.org/depts/dhl/disarmament/index.html

The Peace Train will ask Parliament to ensure the U.K. becomes a signatory to the Treaty on the Prohibition of Nuclear Weapons.
Travelling from Chester railway station at 9:27am, 24th October, members of the Council will collect petitions and messages of support at each stop along the North Wales/South Wales line until its
final destination in Newport. They will then board a train to London and personally deliver all letters and petitions to Caroline Lucas MP (Chair of Parliamentary CND) and Fabian Hamilton MP (Labour’s Shadow Minister for Disarmament).

A major international conference marking a major coming together of the European left, centre left and civil society.
Participants include Socialist Portuguese Prime Minister Antonio Costa, Greek Finance Minister Euclid Tsakalatos, Green Party Leader Caroline Lucas and Momentum’s Laura Parker. Also speaking will be journalists Ash Sarkar and Zoe Williams, and campaigners Nick Dearden, Asad Rehman and Shaista Aziz.

ELAAF (East London Against the Arms Fair) Musical Protests aim to raise awareness of the arms trade and campaigns for the cancellation of all arms fair at ExCeL or anywhere else.

Supporters are needed to give out leaflets, put up/hold up posters and collect signatures for a petition.

Probably at Prince Regent DLR entrance but look the other end (Custom House) if no-one there.
From Prince Regent Docklands Light Railway Station just follow the signs to ExCeL. Wheelchair accessible, lift from platform level to walkway.