Elephants (Elephas maximus; Loxodonta africana)

Elephants (Loxodonta africana)Background info: Bubulcus ibis

Polar bears (Ursus maritimus)

Polar bears (Ursus maritimus)

Lighthouses and shells (Cymbiola innexa, The Ship John Shoal Lighthouse, Delaware Bay, New Jersey, USA; Lunella smaragdus, Cabo de las Huertas lighthouse, Spain; Nautilus macromphalus, Pointe à la Renommée Lighthouse, Canada)

Lighthouses and shells (Bolinus brandaris, Latimer Reef Lighthouse, New England, USA) Background info: Montauk Point Light, Long Island, New York, Bolinus cornutus

50th memorial anniversary of Martin Luther King Jr. (Martin Luther King Jr. (1929–1968), John F. Kennedy (1917–1963); Rosa Parks (1913–2005))

50th memorial anniversary of Martin Luther King Jr. (Martin Luther King Jr. (1929–1968)) Background info: March on Washington for Jobs and Freedom, 1963

20th memorial anniversary of Alan Shepard (Alan Shepard (1923–1998))

20th memorial anniversary of Alan Shepard (Alan Shepard (1923–1998)) Background info: Mercury-Redstone 3, Apollo 14

German-Austrian composers (Gustav Mahler (1860–1911), Song of Lamentation; Joseph Haydn (1732–1809), The unexpected encounter; Franz Schubert (1797–1828), String Quintet in C major; Wolfgang Amadeus Mozart (1756–1791), The Marriage of Figaro)

German-Austrian composers (Ludwig van Beethoven (1770–1827)) Background info: Johann Strauss (1825–1899)

Battle of Britain (The Second World War, July 1940-May 1941, Messerschmitt Bf 109; Hawker Hurricane, Messerschmitt Bf 109; Supermarine Spitfire; Dornier Do 17)

Battle of Britain (Heinkel He 111, The Second World War, July 1940-May 1941) Background info: Dornier Do 17, Hawker Hurricane

185th anniversary of Alfred Nobel (Mother Teresa (1910–1997) received Nobel Peace Prize for work undertaken in the struggle to overcome poverty and distress, which also constitutes a threat to peace; Nelson Mandela (1918–2013) received Nobel Peace Prize for his work for the peaceful termination of the apartheid regime; Barack Obama received Nobel Peace Prize for his extraordinary efforts to strengthen international diplomacy and cooperation between peoples; Malala Yousafzai received Nobel Peace Prize for the struggle against the suppression of children and young people and for the rights of all children to education)

185th anniversary of Alfred Nobel (Tenzin Gyatso, the 14th Dalai Lama, received Nobel Peace Prize, for the struggle of the liberation of Tibet and the efforts for a peaceful resolution) Background info: Alfred Bernhard Nobel (1833–1896) was a Swedish chemist, engineer, inventor, businessman, and philanthropist.

Tall ships (Cristoforo Colombo; Lovis; Dar Młodzieży; L'Avenir)

Tall ships (Mare Frisium, STS Leeuwin II) Background info: Amerigo Vespucci

Special transport (Land Rover 101 Forward Control; Eurocopter EC135; ETF MT 240 mining truck; Russell Snowplow)

Special transport (MotoMarine Panther 57 patrol boat) Background info: Eurocopter EC 135, European Border and Coast Guard Agency (Frontex) Crew Patrol

155th anniversary of Henry Royce (2009 Boeing 787 Dreamliner with Rolls-Royce Trent 1000 engine; 1926 Rolls-Royce Silver Ghost Playboy roadster; Airbus Beluga XL with Rolls-Royce Trent 700 engine; 2018 Rolls-Royce Phantom)

155th anniversary of Henry Royce (Henry Royce (1863–1933)

Formula 1 (McLaren MCL32; Force India VJM10; Sauber C36; Force India VJM09)

Formula 1 (Renault R.S.17) Background info: Williams FW40, Mercedes AMG F1 W08 EQ Power+