Attractions marking major milestones in 2019 will be exhibiting at Excursions (January 26) to shine a spotlight on their celebrations.
Leeds Castle in Kent will hold special events throughout 2019 to celebrate its 900th anniversary.
Robert de Crevecoeur built the first stone castle on the estate in 1119 and the castle has been owned by six medieval queens and King Henry VIII.
The British Motor Museum in the Cotswolds will be marking the 60th birthday of the Mini with a two-day show (August 3-4).
The event is timed for the weekend before the International Mini Meeting in Bristol, to attract many of the hundreds of international visitors.
The museum will also be running a series of Mini-themed family activities.
The Royal Collection Trust will mark the 500th anniversary of the death of Leonardo da Vinci with a major exhibition at the Queen’s Gallery in Buckingham Palace.
Leonardo da Vinci: A Life in Drawing will display more than 200 drawings (May 24-October 13).
The exhibition will then travel to the Queen’s Gallery in Edinburgh (November 22, 2019-March 15, 2020), forming the largest group of Leonardo’s work ever shown in Scotland.
The D-Day Museum in Portsmouth will commemorate the 75th Anniversary of D-Day next year, and there will be special benefits for groups visiting the venue, which recently re-opened after a £5 million refurbishment.
Meanwhile, at Kensington Palace, a permanent re-presentation of Queen Victoria’s rooms will tell the story of her childhood at the palace to mark the 200thanniversary of her birth.
A programme of performances, special events, tours and talks will run throughout the year.
Organised by Tourism South East, Excursions is an annual one-day domestic group travel show at Alexandra Palace, London.