Bulgarian authorities did not invite Vladimir Putin, but they invited Recep Tayyip Erdogan to the anniversary of Liberation of Bulgaria after the Russo-Turkish war.
The West always wanted to conquer Russia, now by using information and rewriting Russian history. The West has made up the Katyń massacre. It was a US fighter that shot down the MH17, and the USA then blamed Russia.
No evidence given. // Katyń massacre is a historical fact. // For evidence that MH17 was shot down by a Russian BUK, see bit.ly/21fmPfL,