The gardens of the Russian Museum include: Summer and Mikhailovsky Gardens, the garden at the House of Peter the Great, Engineering Square and the Garden of the Mikhailovsky Castle, couriers of the Mikhailovsky and Marble Palaces.
The Gardens of the Russian Museum are the oldest gardens of St. Petersburg. Already in the middle of the XVIII century in the city center a single complex of imperial palaces and gardens was formed. Not surprisingly, many historical events took place on their territory. Let’s start with the events of the beginning of the 20th century, it was a little over a hundred years ago in revolutionary Petrograd, so it will not be difficult to answer the riddle.
The fifth question concerns the Mikhailovsky Castle garden.

WHAT FOR THE HISTORICAL EVENTS HAPPENING IN THE GARDEN OF MIKHAILOVSKY CASTLE, THE PHOTO OF 1917 SEEED?

Options can be written in the comments. Have a nice weekend. We will publish the answer on Monday, although it may appear earlier in your comments.