Years counting after Christ or  Mohammad or whatever human 
https://image.nostr.build/7cd57d485a266813e308ad6036c4c3b7aa9b6408cc0ce16febb5454fad894c15.jpg
nostr:nevent1qqs9l6q9pzs8pzw9ewpc7rjxz8swpl3c4858mte8qew9vwj5jrzcrqgpp4mhxue69uhkummn9ekx7mqzyqrccrrc5d0x6w7zjz5wqzt3gnsa03r3s90j86x05xcg9wqt2sjdgqcyqqqqqqg2c78gr