alex-romanov,
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<script src="https://code.jquery.com/jquery-3.4.1.slim.min.js"></script>
<link id="bs-css" href="https://netdna.bootstrapcdn.com/bootstrap/3.4.1/css/bootstrap.min.css" rel="stylesheet">
<link id="bsdp-css" href="https://unpkg.com/bootstrap-datepicker@1.9.0/dist/css/bootstrap-datepicker3.min.css" rel="stylesheet">
<script src="https://unpkg.com/bootstrap-datepicker@1.9.0/dist/js/bootstrap-datepicker.min.js"></script>
<script src="https://unpkg.com/bootstrap-datepicker@1.9.0/dist/locales/bootstrap-datepicker.ru.min.js" charset="UTF-8"></script>
</head>
<body>
<div>
<input class="datepicker" data-provide="datepicker" data-date-autoclose="true" data-date-format="dd-mm-yy" data-date-language="ru" id="date" name="date" placeholder="Дата" required>
</div>
</body>
</html>