Very early abstracts by Hilma af Klint. A Swedish artist and mystic, she lived from 1862 to 1944.

Group X, No. 1, Altarpiece (Grupp X, nr 1, Altarbild), from "Altarpieces" (Altarbilder).1915
Altarpieces: Group X, No. 1, Altarpiece. 1915. © Stiftelsen Hilma af Klints Verk. Image ©2019 Artnet Worldwide Corporation. Fair use license. via https://news.artnet.com/exhibitions/hilma-af-klints-occult-spirituality-makes-perfect-artist-technologically-disrupted-time-1376587
“Group IV, The Ten Largest, No. 9, Old Age.” 1907.
“Group IV, The Ten Largest, No. 9, Old Age.” 1907. © The Hilma af Klint Foundation, Stockholm. Fair use license. via https://www.nytimes.com/2019/04/10/arts/design/hilma-af-klint-guggenheim.html
"The Dove, Number 08, Group IX/UW, No. 32." 1915.
“The Dove, Number 08, Group IX/UW, No. 32.” 1915. Private collection. In the public domain in the United States because the artist has been dead over 70 years. via https://www.the-athenaeum.org/art/detail.php?ID=244224

Images of Saint Petersburg under Catherine the Great and a while after. One showing the empress herself. Benjamin Paterssen (or Patersen), artist. Born in Sweden around 1750, he worked in Saint Petersburg where he died in 1815.

"The Great Gostiny Dvor at the intersection of Sadovaya Street and Nevsky Prospekt." ca. 1800.
“The Great Gostiny Dvor at the intersection of Sadovaya Street and Nevsky Prospekt.” ca. 1800. In the public domain in the United States because the artist died over 70 years ago. via https://commons.wikimedia.org/wiki/File:Gostiny1802.jpg
"Saint Petersburg (Russia), Senate Square." 1799.
“Saint Petersburg (Russia), Senate Square.” 1799. Painting. In the public domain in the United States because the artist has been dead over 70 years. via https://commons.wikimedia.org/wiki/File:Blist_pet.jpeg
"Catherine the Great Visiting the Ice Mountain, Saint Petersburg."
“Catherine the Great Visiting the Ice Mountain, Saint Petersburg,” showing the empress being led from the direction of the Winter Palace by a procession of mounted guardsmen, towards the temporary ‘ice mountain’ on the frozen River Neva. The crowd is about to witness Catherine the Great joining them in her favorite winter pastime of riding down the ice slide. The Imperial Academy of Arts can be glimpsed in the background. 1788. Grey ink and watercolor with gouache. Signed, inscribed and dated on the lower right ‘Benj:Patersson pinxit 1788’. Private collection. In the public domain due to age. via https://www.wga.hu/frames-e.html?/html/p/patersso/icemount.html
"View of Saint Petersburg in the centenary celebration's day." ca. 1803.
“View of Saint Petersburg in the centenary celebration’s day.” ca. 1803. Oil on canvas. Collection of the Hermitage Museum, Saint Petersburg. In the public domain in the United States because the artist has been dead over 70 years. via https://commons.wikimedia.org/wiki/File:View_of_Saint_Petersburg_in_the_centenary_celebration%27s_day.jpg

People getting bored and hanging out in the artwork waiting for everyone to go home for the night so they can have fun. Swedish.Julius Kronberg, artist (1850-1921).

"Hvilande danserska." 1880.
“Hvilande danserska.” 1880. Watercolor. Image © 2018 Blouin Corp. Fair use license. via https://blouinartsalesindex.com/auctions/Julius-Kronberg-6108342/Hvilande-danserska-1890
"Perseus releases Andromeda" (detail). 1918.
“Perseus releases Andromeda” (detail). 1918. Oil on plaster with putty fabric. Collection of the Hallwyl Museum, Stockholm. Photo credit: Samuel Uhrdin. In the public domain in the United States because the artist has been dead over 70 years. via https://commons.wikimedia.org/wiki/File:M%C3%A5lning._Julius_Kronberg._Perseus_befriar_Andromeda._1918._Detalj_-_Hallwylska_museet_-_21483.tif
"The Sacrifice of Hope on the Altar of Love." 1884.
“The Sacrifice of Hope on the Altar of Love.” 1884. Gold bronze with watercolor and gouache. Image © 2018, Blouin Corp. Fair use license. via https://www.blouinartinfo.com/galleryguide-venues/753196/past-results/107998?currency=usd
"David and Saul." 1885.
“David and Saul.” 1885. Oil on canvas. Collection of the Nationalmuseum, Stockholm. In the public domain in the United States because it was published before January 1, 1924. via https://commons.wikimedia.org/wiki/File:Julius_Kronberg_David_och_Saul_1885.jpg