KENYA / SOMALIA REFUGEES
Nairobi: The presidents of Kenya and Somalia host a summit on Somali refugees with member states of the Intergovernmental Authority on Development (IGAD).
ASIA / EARTH HOUR
Various: Lights off in various cities as Asia observes Earth Hour.
CHINA / FORUM
Boao: The annual Boao Asian Forum officially opens in Boao, Hainan, where entrepreneurs and scholars gather for discussions focused on regional economy. Chinese Vice Premier Zhang Gaoli will give keynote speech.
ITALY / TREATY OF ROME
Rome: The European Union marks the 60th anniversary of the founding Treaty of Rome with a summit where members will be wrestling with their future after Britain's approaching exit, populist politicians' railing against the EU and the single currency, and the still thorny issues of immigration, banking woes and sluggish economies, including in host country Italy.
0800GMT - Arrivals and doorsteps.
0900GMT - Photo op of ceremony.
1050GMT - Family photo.
News conference with Italian Prime Minister Paolo Gentiloni and EU institutions leaders.
1300GMT - EU leaders lunch with President Mattarella at Quirinale Palace.
Demonstrations - Various pro and anti-EU demonstrations will take place in Rome to coincide with the 60th anniversary of the Treaty of Rome summit.
1000GMT - Nostra Europe (our Europe) left wing organizations march.
1000GMT - March for Europe 2017 EU Federalist movement march.
1300GMT - Eurostop march.
1400GMT - Azione Nazionale holds anti EU right wing march.
1430GMT - Not my Europe – MSF rally with installation of EU flag wrapped in barbed wire over river Tiber and people in cages to protest against European migration politics. Covering ENG
ITALY / POPE
Milan: Pope Francis makes a one-day trip to Milan, Italy's most important diocese and the home base of his main competition for the papacy, Cardinal Angelo Scola. Francis will celebrate a huge Mass and visit the city's main prison.
Time TBA - Pope recites Angelus blessing in Duomo Square.
1030GMT - Pope visits San Vittore prison and has lunch with convicts.
1400GMT - Pope celebrates mass in Monza Park.
1630GMT - Pope meets youth in Meazza San Siro stadium.
UK / MARCH
London: Anti-Brexit campaigners aim to stage UK'S largest protest march against the UK leaving the EU.
EUROPE / EARTH HOUR
Various: Landmarks across Europe are plunged into darkness to mark Earth Hour.
Time TBA - Lights go out at Colosseum.
2030GMT - Lights go at Landmarks in London.
1930GMT - The Eiffel Tower goes dark briefly to mark Earth Hour.
BOSNIA / GUINNESS RECORD
Visoko: A Bosnian man attempts to break a Guinness World Record by smashing building blocks with his head.
BELARUS / PROTEST
Minsk: Large anti-government protests are expected in Minsk on the unofficial Freedom Day holiday, which is marked in Belarus by the opposition to the government of President Alexander Lukashenko.
RUSSIA / ICE YACHT RACING
Baikal: Seventy catamaran yachts specially adapted to race on ice with blades, speed along the frozen waters of Lake Baikal as part of Baikal Ice Racing Week 2017.
UK / ENGLAND LITHUANIA
London: News conferences ahead of England to Lithuania match on 26 March at Wembley stadium, part of the qualifiers for the 2018 World Cup in Russia.
1200GMT - England presser at Tottenham training ground.
1630GMT - Lithuania presser at Wembley.
WORLD / EARTH HOUR
Various: The lights of landmarks around the world will be switched off to mark the battle against climate change.
Lives from Manila, Jakarta, New Delhi, Tokyo, Rome, Paris, London, New York, Rio de Janeiro, Buenos Aires.